12113431122 has 16 divisors (see below), whose sum is σ = 26090467200. Its totient is φ = 3727209552.

The previous prime is 12113431117. The next prime is 12113431123. The reversal of 12113431122 is 22113431121.

It is not an unprimeable number, because it can be changed into a prime (12113431123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77650122 + ... + 77650277.

It is an arithmetic number, because the mean of its divisors is an integer number (1630654200).

Almost surely, 2^12113431122 is an apocalyptic number.

12113431122 is an abundant number, since it is smaller than the sum of its proper divisors (13977036078).

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

12113431122 is a wasteful number, since it uses less digits than its factorization.

12113431122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155300417.

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

Adding to 12113431122 its reverse (22113431121), we get a palindrome (34226862243).

Subtracting 12113431122 from its reverse (22113431121), we obtain a palindrome (9999999999).

The spelling of 12113431122 in words is "twelve billion, one hundred thirteen million, four hundred thirty-one thousand, one hundred twenty-two".