13000312112 has 20 divisors (see below), whose sum is σ = 25190660016. Its totient is φ = 6499496640.

The previous prime is 13000312099. The next prime is 13000312139. The reversal of 13000312112 is 21121300031.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 147662 + ... + 218642.

Almost surely, 2^13000312112 is an apocalyptic number.

It is an amenable number.

13000312112 is a deficient number, since it is larger than the sum of its proper divisors (12190347904).

13000312112 is a wasteful number, since it uses less digits than its factorization.

13000312112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82436 (or 82430 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 13000312112 its reverse (21121300031), we get a palindrome (34121612143).

It can be divided in two parts, 1300031 and 2112, that multiplied together give a palindrome (2745665472).

The spelling of 13000312112 in words is "thirteen billion, three hundred twelve thousand, one hundred twelve".