124440220000 has 60 divisors (see below), whose sum is σ = 306141656436. Its totient is φ = 49776080000.

The previous prime is 124440219979. The next prime is 124440220013. The reversal of 124440220000 is 22044421.

It is a self number, because there is not a number n which added to its sum of digits gives 124440220000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 3091006 + ... + 3131005.

Almost surely, 2^124440220000 is an apocalyptic number.

124440220000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

124440220000 is an abundant number, since it is smaller than the sum of its proper divisors (181701436436).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

124440220000 is an frugal number, since it uses more digits than its factorization.

124440220000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6222041 (or 6222018 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 19.

Adding to 124440220000 its reverse (22044421), we get a palindrome (124462264421).

The spelling of 124440220000 in words is "one hundred twenty-four billion, four hundred forty million, two hundred twenty thousand".