12112311232 has 56 divisors (see below), whose sum is σ = 29084832864. Its totient is φ = 4885635072.

The previous prime is 12112311223. The next prime is 12112311259. The reversal of 12112311232 is 23211321121.

12112311232 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (56).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 787573 + ... + 802804.

Almost surely, 2^12112311232 is an apocalyptic number.

It is an amenable number.

12112311232 is an abundant number, since it is smaller than the sum of its proper divisors (16972521632).

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

12112311232 is a wasteful number, since it uses less digits than its factorization.

12112311232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1590413 (or 1590403 counting only the distinct ones).

The product of its digits is 144, while the sum is 19.

Adding to 12112311232 its reverse (23211321121), we get a palindrome (35323632353).

It can be divided in two parts, 121123 and 11232, that added together give a triangular number (132355 = T₅₁₄).

The spelling of 12112311232 in words is "twelve billion, one hundred twelve million, three hundred eleven thousand, two hundred thirty-two".