120131312 has 40 divisors (see below), whose sum is σ = 272503392. Its totient is φ = 50227200.

The previous prime is 120131279. The next prime is 120131383. The reversal of 120131312 is 213131021.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8489 + ... + 17672.

Almost surely, 2^120131312 is an apocalyptic number.

It is an amenable number.

120131312 is an abundant number, since it is smaller than the sum of its proper divisors (152372080).

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

120131312 is a wasteful number, since it uses less digits than its factorization.

120131312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26217 (or 26211 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 120131312 is about 10960.4430567382. The cubic root of 120131312 is about 493.4222621928.

Adding to 120131312 its reverse (213131021), we get a palindrome (333262333).

The spelling of 120131312 in words is "one hundred twenty million, one hundred thirty-one thousand, three hundred twelve".