12112011232 has 24 divisors (see below), whose sum is σ = 24882285456. Its totient is φ = 5792700672.

The previous prime is 12112011227. The next prime is 12112011257. The reversal of 12112011232 is 23211021121.

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

It is a congruent number.

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, 8227533 + ... + 8229004.

It is an arithmetic number, because the mean of its divisors is an integer number (1036761894).

Almost surely, 2^12112011232 is an apocalyptic number.

It is an amenable number.

12112011232 is an abundant number, since it is smaller than the sum of its proper divisors (12770274224).

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

12112011232 is a wasteful number, since it uses less digits than its factorization.

12112011232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16456570 (or 16456562 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 12112011232 its reverse (23211021121), we get a palindrome (35323032353).

The spelling of 12112011232 in words is "twelve billion, one hundred twelve million, eleven thousand, two hundred thirty-two".