12513012545 has 16 divisors (see below), whose sum is σ = 16388059968. Its totient is φ = 9096267840.

The previous prime is 12513012517. The next prime is 12513012553. The reversal of 12513012545 is 54521031521.

It is not a de Polignac number, because 12513012545 - 2²⁰ = 12511963969 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 74507 + ... + 174863.

It is an arithmetic number, because the mean of its divisors is an integer number (1024253748).

Almost surely, 2^12513012545 is an apocalyptic number.

It is an amenable number.

12513012545 is a deficient number, since it is larger than the sum of its proper divisors (3875047423).

12513012545 is a wasteful number, since it uses less digits than its factorization.

12513012545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102640.

The product of its (nonzero) digits is 6000, while the sum is 29.

The spelling of 12513012545 in words is "twelve billion, five hundred thirteen million, twelve thousand, five hundred forty-five".