12013688000 has 112 divisors (see below), whose sum is σ = 30130089600. Its totient is φ = 4744396800.

The previous prime is 12013687991. The next prime is 12013688041. The reversal of 12013688000 is 88631021.

It is a super-2 number, since 2×12013688000² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 622496 + ... + 641504.

Almost surely, 2^12013688000 is an apocalyptic number.

12013688000 is a gapful number since it is divisible by the number (10) 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 12013688000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15065044800).

12013688000 is an abundant number, since it is smaller than the sum of its proper divisors (18116401600).

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

12013688000 is an equidigital number, since it uses as much as digits as its factorization.

12013688000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19115 (or 19095 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 29.

The spelling of 12013688000 in words is "twelve billion, thirteen million, six hundred eighty-eight thousand".