120115543200 has 144 divisors (see below), whose sum is σ = 396332508096. Its totient is φ = 31591987200.

The previous prime is 120115543189. The next prime is 120115543283. The reversal of 120115543200 is 2345511021.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 167596 + ... + 517995.

It is an arithmetic number, because the mean of its divisors is an integer number (2752309084).

Almost surely, 2^120115543200 is an apocalyptic number.

120115543200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120115543200 is an abundant number, since it is smaller than the sum of its proper divisors (276216964896).

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

120115543200 is a wasteful number, since it uses less digits than its factorization.

120115543200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 685687 (or 685674 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 24.

The spelling of 120115543200 in words is "one hundred twenty billion, one hundred fifteen million, five hundred forty-three thousand, two hundred".