12112311003112 has 64 divisors (see below), whose sum is σ = 24121735200000. Its totient is φ = 5682098872320.

The previous prime is 12112311003097. The next prime is 12112311003113. The reversal of 12112311003112 is 21130011321121.

It is a super-2 number, since 2×12112311003112² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12112311003112.

It is not an unprimeable number, because it can be changed into a prime (12112311003113) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 73128663 + ... + 73294105.

It is an arithmetic number, because the mean of its divisors is an integer number (376902112500).

Almost surely, 2^{12112311003112} is an apocalyptic number.

It is an amenable number.

12112311003112 is a deficient number, since it is larger than the sum of its proper divisors (12009424196888).

12112311003112 is a wasteful number, since it uses less digits than its factorization.

12112311003112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167146 (or 167142 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 19.

Adding to 12112311003112 its reverse (21130011321121), we get a palindrome (33242322324233).

The spelling of 12112311003112 in words is "twelve trillion, one hundred twelve billion, three hundred eleven million, three thousand, one hundred twelve".