120131112112 has 20 divisors (see below), whose sum is σ = 253913487336. Its totient is φ = 54605050880.

The previous prime is 120131111977. The next prime is 120131112137. The reversal of 120131112112 is 211211131021.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (16).

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, 341281393 + ... + 341281744.

Almost surely, 2^120131112112 is an apocalyptic number.

It is an amenable number.

120131112112 is an abundant number, since it is smaller than the sum of its proper divisors (133782375224).

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

120131112112 is a wasteful number, since it uses less digits than its factorization.

120131112112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 682563156 (or 682563150 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 16.

Adding to 120131112112 its reverse (211211131021), we get a palindrome (331342243133).

The spelling of 120131112112 in words is "one hundred twenty billion, one hundred thirty-one million, one hundred twelve thousand, one hundred twelve".