12514012640 has 24 divisors (see below), whose sum is σ = 29564355240. Its totient is φ = 5005604992.

The previous prime is 12514012627. The next prime is 12514012669. The reversal of 12514012640 is 4621041521.

It is a congruent number.

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, 39106130 + ... + 39106449.

It is an arithmetic number, because the mean of its divisors is an integer number (1231848135).

Almost surely, 2^12514012640 is an apocalyptic number.

12514012640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12514012640 is an abundant number, since it is smaller than the sum of its proper divisors (17050342600).

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

12514012640 is an equidigital number, since it uses as much as digits as its factorization.

12514012640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78212594 (or 78212586 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 26.

The spelling of 12514012640 in words is "twelve billion, five hundred fourteen million, twelve thousand, six hundred forty".