12112000121 has 32 divisors (see below), whose sum is σ = 13449058560. Its totient is φ = 10839628800.

The previous prime is 12112000099. The next prime is 12112000127. The reversal of 12112000121 is 12100021121.

It is a de Polignac number, because none of the positive numbers 2^k-12112000121 is a prime.

It is a super-3 number, since 3×12112000121³ (a number of 31 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12112000127) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23247341 + ... + 23247861.

It is an arithmetic number, because the mean of its divisors is an integer number (420283080).

Almost surely, 2^12112000121 is an apocalyptic number.

It is an amenable number.

12112000121 is a deficient number, since it is larger than the sum of its proper divisors (1337058439).

12112000121 is a wasteful number, since it uses less digits than its factorization.

12112000121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 977.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 12112000121 its reverse (12100021121), we get a palindrome (24212021242).

The spelling of 12112000121 in words is "twelve billion, one hundred twelve million, one hundred twenty-one", and thus it is an aban number.