12514012520 has 16 divisors (see below), whose sum is σ = 28156528260. Its totient is φ = 5005604992.

The previous prime is 12514012507. The next prime is 12514012543. The reversal of 12514012520 is 2521041521.

It can be written as a sum of positive squares in 2 ways, for example, as 12231032836 + 282979684 = 110594^2 + 16822^2 .

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, 156425117 + ... + 156425196.

Almost surely, 2^12514012520 is an apocalyptic number.

12514012520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12514012520 is an abundant number, since it is smaller than the sum of its proper divisors (15642515740).

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

12514012520 is a wasteful number, since it uses less digits than its factorization.

12514012520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 312850324 (or 312850320 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 23.

The spelling of 12514012520 in words is "twelve billion, five hundred fourteen million, twelve thousand, five hundred twenty".