...

import { NumberFormatPipe } from './pipe/number-format.pipe';

@NgModule({

  declarations: [NumberFormatPipe],

  ...

  exports: [

    ...

    NumberFormatPipe

  ],

  ...

})

// number-format.pipe.ts

import { Pipe, PipeTransform } from '@angular/core';



@Pipe({

  name: 'numberFormat'

})

export class NumberFormatPipe implements PipeTransform {



  transform(value: unknown, ...args: unknown[]): unknown {

    return this.toThousands(value);

  }

  toThousands(num) {

    var num = (num || 0).toString(), result = '';

    while (num.length > 3) {

      result = ',' + num.slice(-3) + result;

      num = num.slice(0, num.length - 3);

    }

    if (num) { result = num + result; }

    return result;

  }

}

import { SharedModule } from '@app/shared';

@NgModule({

  ...

  imports: [

    SharedModule,

    ...

  ]

})

  <div class="num">{{ '12332132132' | numberFormat }}</div>