120155532192 has 120 divisors (see below), whose sum is σ = 362925023076. Its totient is φ = 38969330688.

The previous prime is 120155532191. The next prime is 120155532199. The reversal of 120155532192 is 291235551021.

120155532192 is a `hidden beast` number, since 1 + 2 + 0 + 15 + 553 + 2 + 1 + 92 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 86697269136 + 33458263056 = 294444^2 + 182916^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (120155532191) by changing a digit.

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 19 ways as a sum of consecutive naturals, for example, 530533 + ... + 722340.

Almost surely, 2^120155532192 is an apocalyptic number.

120155532192 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

120155532192 is an abundant number, since it is smaller than the sum of its proper divisors (242769490884).

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

120155532192 is a wasteful number, since it uses less digits than its factorization.

120155532192 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1252932 (or 1252915 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 36.

The spelling of 120155532192 in words is "one hundred twenty billion, one hundred fifty-five million, five hundred thirty-two thousand, one hundred ninety-two".