12515065216 has 32 divisors (see below), whose sum is σ = 24955952400. Its totient is φ = 6251610624.

The previous prime is 12515065207. The next prime is 12515065231. The reversal of 12515065216 is 61256051521.

It is a tau number, because it is divible by the number of its divisors (32).

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, 91101 + ... + 182563.

Almost surely, 2^12515065216 is an apocalyptic number.

12515065216 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

12515065216 is a deficient number, since it is larger than the sum of its proper divisors (12440887184).

12515065216 is an equidigital number, since it uses as much as digits as its factorization.

12515065216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92546 (or 92534 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 34.

The spelling of 12515065216 in words is "twelve billion, five hundred fifteen million, sixty-five thousand, two hundred sixteen".