12013880688 has 160 divisors (see below), whose sum is σ = 36577926720. Its totient is φ = 3762339840.

The previous prime is 12013880687. The next prime is 12013880707. The reversal of 12013880688 is 88608831021.

12013880688 is a `hidden beast` number, since 1 + 201 + 388 + 0 + 68 + 8 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12013880687) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5558328 + ... + 5560488.

It is an arithmetic number, because the mean of its divisors is an integer number (228612042).

Almost surely, 2^12013880688 is an apocalyptic number.

12013880688 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12013880688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18288963360).

12013880688 is an abundant number, since it is smaller than the sum of its proper divisors (24564046032).

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

12013880688 is a wasteful number, since it uses less digits than its factorization.

12013880688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2952 (or 2940 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 45.

The spelling of 12013880688 in words is "twelve billion, thirteen million, eight hundred eighty thousand, six hundred eighty-eight".