112012432131 has 4 divisors (see below), whose sum is σ = 149349909512. Its totient is φ = 74674954752.

The previous prime is 112012432127. The next prime is 112012432171. The reversal of 112012432131 is 131234210211.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 112012432131 - 2² = 112012432127 is a prime.

It is a super-2 number, since 2×112012432131² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 112012432098 and 112012432107.

It is not an unprimeable number, because it can be changed into a prime (112012432171) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18668738686 + ... + 18668738691.

It is an arithmetic number, because the mean of its divisors is an integer number (37337477378).

Almost surely, 2^112012432131 is an apocalyptic number.

112012432131 is a deficient number, since it is larger than the sum of its proper divisors (37337477381).

112012432131 is an equidigital number, since it uses as much as digits as its factorization.

112012432131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37337477380.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 112012432131 its reverse (131234210211), we get a palindrome (243246642342).

The spelling of 112012432131 in words is "one hundred twelve billion, twelve million, four hundred thirty-two thousand, one hundred thirty-one".