12112212100112 has 80 divisors (see below), whose sum is σ = 23755368130560. Its totient is φ = 5982281385600.

The previous prime is 12112212100103. The next prime is 12112212100123. The reversal of 12112212100112 is 21100121221121.

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, 423622937 + ... + 423651527.

It is an arithmetic number, because the mean of its divisors is an integer number (296942101632).

Almost surely, 2^{12112212100112} is an apocalyptic number.

It is an amenable number.

12112212100112 is a deficient number, since it is larger than the sum of its proper divisors (11643156030448).

12112212100112 is a wasteful number, since it uses less digits than its factorization.

12112212100112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29652 (or 29646 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 12112212100112 its reverse (21100121221121), we get a palindrome (33212333321233).

The spelling of 12112212100112 in words is "twelve trillion, one hundred twelve billion, two hundred twelve million, one hundred thousand, one hundred twelve".