numberToHangul
Converts the given number into a Korean numeral expression using Sino-Korean numbers. It supports spacing for “man(萬)” units to accommodate various requirements.
function numberToHangul(input: number, options?: { spacing?: boolean }): string;Examples
numberToHangul(210_000); // '이십일만';
numberToHangul(12_345); // '일만이천삼백사십오';
numberToHangul(123_456_780); // '일억이천삼백사십오만육천칠백팔십';
numberToHangul(123_456_780, { spacing: true }); // '일억 이천삼백사십오만 육천칠백팔십';