12510202513 has 4 divisors (see below), whose sum is σ = 12510469440. Its totient is φ = 12509935588.

The previous prime is 12510202483. The next prime is 12510202517. The reversal of 12510202513 is 31520201521.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12510202513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12510202517) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42493 + ... + 163786.

It is an arithmetic number, because the mean of its divisors is an integer number (3127617360).

Almost surely, 2^12510202513 is an apocalyptic number.

It is an amenable number.

12510202513 is a deficient number, since it is larger than the sum of its proper divisors (266927).

12510202513 is an equidigital number, since it uses as much as digits as its factorization.

12510202513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266926.

The product of its (nonzero) digits is 600, while the sum is 22.

The spelling of 12510202513 in words is "twelve billion, five hundred ten million, two hundred two thousand, five hundred thirteen".