12513053215 has 12 divisors (see below), whose sum is σ = 16259566104. Its totient is φ = 9240407904.

The previous prime is 12513053183. The next prime is 12513053237. The reversal of 12513053215 is 51235031521.

It is not a de Polignac number, because 12513053215 - 2⁵ = 12513053183 is a prime.

It is a super-2 number, since 2×12513053215² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7403329 + ... + 7405018.

It is an arithmetic number, because the mean of its divisors is an integer number (1354963842).

Almost surely, 2^12513053215 is an apocalyptic number.

12513053215 is a deficient number, since it is larger than the sum of its proper divisors (3746512889).

12513053215 is a wasteful number, since it uses less digits than its factorization.

12513053215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14808378 (or 14808365 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 28.

Adding to 12513053215 its reverse (51235031521), we get a palindrome (63748084736).

The spelling of 12513053215 in words is "twelve billion, five hundred thirteen million, fifty-three thousand, two hundred fifteen".