12506377568 has 12 divisors (see below), whose sum is σ = 24621930900. Its totient is φ = 6253188768.

The previous prime is 12506377567. The next prime is 12506377579. The reversal of 12506377568 is 86577360521.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12506377567) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 195412118 + ... + 195412181.

It is an arithmetic number, because the mean of its divisors is an integer number (2051827575).

Almost surely, 2^12506377568 is an apocalyptic number.

It is an amenable number.

12506377568 is a deficient number, since it is larger than the sum of its proper divisors (12115553332).

12506377568 is an equidigital number, since it uses as much as digits as its factorization.

12506377568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 390824309 (or 390824301 counting only the distinct ones).

The product of its (nonzero) digits is 2116800, while the sum is 50.

The spelling of 12506377568 in words is "twelve billion, five hundred six million, three hundred seventy-seven thousand, five hundred sixty-eight".