12112021112012 has 12 divisors (see below), whose sum is σ = 21879780073536. Its totient is φ = 5860655376720.

The previous prime is 12112021111999. The next prime is 12112021112017. The reversal of 12112021112012 is 21021112021121.

It is not an unprimeable number, because it can be changed into a prime (12112021112017) 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, 48838794683 + ... + 48838794930.

It is an arithmetic number, because the mean of its divisors is an integer number (1823315006128).

Almost surely, 2^{12112021112012} is an apocalyptic number.

It is an amenable number.

12112021112012 is a deficient number, since it is larger than the sum of its proper divisors (9767758961524).

12112021112012 is a wasteful number, since it uses less digits than its factorization.

12112021112012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97677589648 (or 97677589646 counting only the distinct ones).

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

Adding to 12112021112012 its reverse (21021112021121), we get a palindrome (33133133133133).

The spelling of 12112021112012 in words is "twelve trillion, one hundred twelve billion, twenty-one million, one hundred twelve thousand, twelve".