13020112788 has 48 divisors (see below), whose sum is σ = 30549657600. Its totient is φ = 4315882464.

The previous prime is 13020112769. The next prime is 13020112789. The reversal of 13020112788 is 88721102031.

It is a super-2 number, since 2×13020112788² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13020112789) 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, 3174363 + ... + 3178461.

It is an arithmetic number, because the mean of its divisors is an integer number (636451200).

Almost surely, 2^13020112788 is an apocalyptic number.

It is an amenable number.

13020112788 is an abundant number, since it is smaller than the sum of its proper divisors (17529544812).

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

13020112788 is a wasteful number, since it uses less digits than its factorization.

13020112788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5516 (or 5514 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 33.

The spelling of 13020112788 in words is "thirteen billion, twenty million, one hundred twelve thousand, seven hundred eighty-eight".