120211031312 has 20 divisors (see below), whose sum is σ = 246609395676. Its totient is φ = 56569896960.

The previous prime is 120211031279. The next prime is 120211031323. The reversal of 120211031312 is 213130112021.

It can be written as a sum of positive squares in 2 ways, for example, as 90394030336 + 29817000976 = 300656^2 + 172676^2 .

It is a Harshad number since it is a multiple of its sum of digits (17).

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, 220975889 + ... + 220976432.

Almost surely, 2^120211031312 is an apocalyptic number.

It is an amenable number.

120211031312 is an abundant number, since it is smaller than the sum of its proper divisors (126398364364).

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

120211031312 is a wasteful number, since it uses less digits than its factorization.

120211031312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 441952346 (or 441952340 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 120211031312 its reverse (213130112021), we get a palindrome (333341143333).

The spelling of 120211031312 in words is "one hundred twenty billion, two hundred eleven million, thirty-one thousand, three hundred twelve".