12112402232 has 64 divisors (see below), whose sum is σ = 27102643200. Its totient is φ = 4961848320.

The previous prime is 12112402219. The next prime is 12112402249. The reversal of 12112402232 is 23220421121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2678069 + ... + 2682587.

It is an arithmetic number, because the mean of its divisors is an integer number (423478800).

Almost surely, 2^12112402232 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12112402232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13551321600).

12112402232 is an abundant number, since it is smaller than the sum of its proper divisors (14990240968).

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

12112402232 is a wasteful number, since it uses less digits than its factorization.

12112402232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6636 (or 6632 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 12112402232 its reverse (23220421121), we get a palindrome (35332823353).

The spelling of 12112402232 in words is "twelve billion, one hundred twelve million, four hundred two thousand, two hundred thirty-two".