12712562501 has 8 divisors (see below), whose sum is σ = 12751013880. Its totient is φ = 12674135232.

The previous prime is 12712562497. The next prime is 12712562519. The reversal of 12712562501 is 10526521721.

It is a Cunningham number, because it is equal to 112750²+1.

It can be written as a sum of positive squares in 4 ways, for example, as 6909931876 + 5802630625 = 83126^2 + 76175^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 12712562501 - 2² = 12712562497 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12712562591) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2105555 + ... + 2111583.

It is an arithmetic number, because the mean of its divisors is an integer number (1593876735).

Almost surely, 2^12712562501 is an apocalyptic number.

It is an amenable number.

12712562501 is a deficient number, since it is larger than the sum of its proper divisors (38451379).

12712562501 is an equidigital number, since it uses as much as digits as its factorization.

12712562501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12055.

The product of its (nonzero) digits is 8400, while the sum is 32.

The spelling of 12712562501 in words is "twelve billion, seven hundred twelve million, five hundred sixty-two thousand, five hundred one".