120131212432 has 80 divisors (see below), whose sum is σ = 290257029504. Its totient is φ = 46793088000.

The previous prime is 120131212403. The next prime is 120131212433. The reversal of 120131212432 is 234212131021.

It is a super-2 number, since 2×120131212432² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (120131212433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6620332 + ... + 6638452.

Almost surely, 2^120131212432 is an apocalyptic number.

It is an amenable number.

120131212432 is an abundant number, since it is smaller than the sum of its proper divisors (170125817072).

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

120131212432 is a wasteful number, since it uses less digits than its factorization.

120131212432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23528 (or 23522 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 120131212432 its reverse (234212131021), we get a palindrome (354343343453).

The spelling of 120131212432 in words is "one hundred twenty billion, one hundred thirty-one million, two hundred twelve thousand, four hundred thirty-two".