120155812250800 has 30 divisors (see below), whose sum is σ = 288674338933508. Its totient is φ = 48062324900160.

The previous prime is 120155812250681. The next prime is 120155812250843. The reversal of 120155812250800 is 8052218551021.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 150194764914 + ... + 150194765713.

Almost surely, 2^{120155812250800} is an apocalyptic number.

120155812250800 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120155812250800 is an abundant number, since it is smaller than the sum of its proper divisors (168518526682708).

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

120155812250800 is a wasteful number, since it uses less digits than its factorization.

120155812250800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 300389530645 (or 300389530634 counting only the distinct ones).

The product of its (nonzero) digits is 64000, while the sum is 40.

The spelling of 120155812250800 in words is "one hundred twenty trillion, one hundred fifty-five billion, eight hundred twelve million, two hundred fifty thousand, eight hundred".