125000012513 has 32 divisors (see below), whose sum is σ = 138216153600. Its totient is φ = 112628275200.

The previous prime is 125000012497. The next prime is 125000012563. The reversal of 125000012513 is 315210000521.

It is a happy number.

It is not a de Polignac number, because 125000012513 - 2⁴ = 125000012497 is a prime.

It is not an unprimeable number, because it can be changed into a prime (125000012563) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5358008 + ... + 5381286.

It is an arithmetic number, because the mean of its divisors is an integer number (4319254800).

Almost surely, 2^125000012513 is an apocalyptic number.

It is an amenable number.

125000012513 is a deficient number, since it is larger than the sum of its proper divisors (13216141087).

125000012513 is a wasteful number, since it uses less digits than its factorization.

125000012513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23513.

The product of its (nonzero) digits is 300, while the sum is 20.

The spelling of 125000012513 in words is "one hundred twenty-five billion, twelve thousand, five hundred thirteen".