120251004400 has 60 divisors (see below), whose sum is σ = 289013062000. Its totient is φ = 48082083840.

The previous prime is 120251004361. The next prime is 120251004421. The reversal of 120251004400 is 4400152021.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1019701 + ... + 1131499.

Almost surely, 2^120251004400 is an apocalyptic number.

120251004400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120251004400 is an abundant number, since it is smaller than the sum of its proper divisors (168762057600).

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

120251004400 is a wasteful number, since it uses less digits than its factorization.

120251004400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114506 (or 114495 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 19.

Adding to 120251004400 its reverse (4400152021), we get a palindrome (124651156421).

The spelling of 120251004400 in words is "one hundred twenty billion, two hundred fifty-one million, four thousand, four hundred".