13000023112 has 16 divisors (see below), whose sum is σ = 25033828860. Its totient is φ = 6324335424.

The previous prime is 13000023083. The next prime is 13000023121. The reversal of 13000023112 is 21132000031.

It can be written as a sum of positive squares in 2 ways, for example, as 12811070596 + 188952516 = 113186^2 + 13746^2 .

It is a junction number, because it is equal to n+sod(n) for n = 13000023092 and 13000023101.

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, 21959203 + ... + 21959794.

Almost surely, 2^13000023112 is an apocalyptic number.

It is an amenable number.

13000023112 is a deficient number, since it is larger than the sum of its proper divisors (12033805748).

13000023112 is a wasteful number, since it uses less digits than its factorization.

13000023112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43919040 (or 43919036 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 13000023112 its reverse (21132000031), we get a palindrome (34132023143).

The spelling of 13000023112 in words is "thirteen billion, twenty-three thousand, one hundred twelve".