120312012032 has 36 divisors (see below), whose sum is σ = 241765904100. Its totient is φ = 59752255488.

The previous prime is 120312012017. The next prime is 120312012071. The reversal of 120312012032 is 230210213021.

It can be written as a sum of positive squares in 2 ways, for example, as 5754132736 + 114557879296 = 75856^2 + 338464^2 .

It is a super-2 number, since 2×120312012032² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 120312012032.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1538933 + ... + 1615220.

Almost surely, 2^120312012032 is an apocalyptic number.

It is an amenable number.

120312012032 is an abundant number, since it is smaller than the sum of its proper divisors (121453892068).

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

120312012032 is an equidigital number, since it uses as much as digits as its factorization.

120312012032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3154318 (or 3154304 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 120312012032 its reverse (230210213021), we get a palindrome (350522225053).

The spelling of 120312012032 in words is "one hundred twenty billion, three hundred twelve million, twelve thousand, thirty-two".