13020123112 has 32 divisors (see below), whose sum is σ = 24941704320. Its totient is φ = 6369108480.

The previous prime is 13020123079. The next prime is 13020123113. The reversal of 13020123112 is 21132102031.

It is not an unprimeable number, because it can be changed into a prime (13020123113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1337848 + ... + 1347544.

It is an arithmetic number, because the mean of its divisors is an integer number (779428260).

Almost surely, 2^13020123112 is an apocalyptic number.

It is an amenable number.

13020123112 is a deficient number, since it is larger than the sum of its proper divisors (11921581208).

13020123112 is a wasteful number, since it uses less digits than its factorization.

13020123112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13321 (or 13317 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 13020123112 its reverse (21132102031), we get a palindrome (34152225143).

The spelling of 13020123112 in words is "thirteen billion, twenty million, one hundred twenty-three thousand, one hundred twelve".