12513012506 has 8 divisors (see below), whose sum is σ = 19585584864. Its totient is φ = 5984484220.

The previous prime is 12513012493. The next prime is 12513012509. The reversal of 12513012506 is 60521031521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (12513012509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 136010960 + ... + 136011051.

It is an arithmetic number, because the mean of its divisors is an integer number (2448198108).

Almost surely, 2^12513012506 is an apocalyptic number.

12513012506 is a deficient number, since it is larger than the sum of its proper divisors (7072572358).

12513012506 is a wasteful number, since it uses less digits than its factorization.

12513012506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272022036.

The product of its (nonzero) digits is 1800, while the sum is 26.

The spelling of 12513012506 in words is "twelve billion, five hundred thirteen million, twelve thousand, five hundred six".