12112201232 has 20 divisors (see below), whose sum is σ = 23477624940. Its totient is φ = 6053459328.

The previous prime is 12112201207. The next prime is 12112201271. The reversal of 12112201232 is 23210221121.

It can be written as a sum of positive squares in 2 ways, for example, as 4077588736 + 8034612496 = 63856^2 + 89636^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 12112201232.

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, 126983 + ... + 200870.

It is an arithmetic number, because the mean of its divisors is an integer number (1173881247).

Almost surely, 2^12112201232 is an apocalyptic number.

It is an amenable number.

12112201232 is a deficient number, since it is larger than the sum of its proper divisors (11365423708).

12112201232 is a wasteful number, since it uses less digits than its factorization.

12112201232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 330170 (or 330164 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 12112201232 its reverse (23210221121), we get a palindrome (35322422353).

The spelling of 12112201232 in words is "twelve billion, one hundred twelve million, two hundred one thousand, two hundred thirty-two".