13112113312012 has 96 divisors (see below), whose sum is σ = 28384662862080. Its totient is φ = 5210548197120.

The previous prime is 13112113311949. The next prime is 13112113312021. The reversal of 13112113312012 is 21021331121131.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 38487883 + ... + 38827069.

It is an arithmetic number, because the mean of its divisors is an integer number (295673571480).

Almost surely, 2^{13112113312012} is an apocalyptic number.

It is an amenable number.

13112113312012 is an abundant number, since it is smaller than the sum of its proper divisors (15272549550068).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13112113312012 is a wasteful number, since it uses less digits than its factorization.

13112113312012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 342791 (or 342789 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 22.

Adding to 13112113312012 its reverse (21021331121131), we get a palindrome (34133444433143).

The spelling of 13112113312012 in words is "thirteen trillion, one hundred twelve billion, one hundred thirteen million, three hundred twelve thousand, twelve".