12112210112 has 28 divisors (see below), whose sum is σ = 24194359536. Its totient is φ = 6015993600.

The previous prime is 12112210111. The next prime is 12112210127. The reversal of 12112210112 is 21101221121.

It is not an unprimeable number, because it can be changed into a prime (12112210111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 617003 + ... + 636330.

Almost surely, 2^12112210112 is an apocalyptic number.

It is an amenable number.

12112210112 is a deficient number, since it is larger than the sum of its proper divisors (12082149424).

12112210112 is a wasteful number, since it uses less digits than its factorization.

12112210112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1253496 (or 1253486 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 12112210112 its reverse (21101221121), we get a palindrome (33213431233).

The spelling of 12112210112 in words is "twelve billion, one hundred twelve million, two hundred ten thousand, one hundred twelve".