120232131012 has 72 divisors (see below), whose sum is σ = 348454334592. Its totient is φ = 34241558400.

The previous prime is 120232130983. The next prime is 120232131143. The reversal of 120232131012 is 210131232021.

120232131012 is a `hidden beast` number, since 1 + 20 + 2 + 321 + 310 + 12 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

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, 688689 + ... + 845432.

It is an arithmetic number, because the mean of its divisors is an integer number (4839643536).

Almost surely, 2^120232131012 is an apocalyptic number.

120232131012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

120232131012 is an abundant number, since it is smaller than the sum of its proper divisors (228222203580).

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

120232131012 is a wasteful number, since it uses less digits than its factorization.

120232131012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1534449 (or 1534444 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 120232131012 its reverse (210131232021), we get a palindrome (330363363033).

The spelling of 120232131012 in words is "one hundred twenty billion, two hundred thirty-two million, one hundred thirty-one thousand, twelve".