12637502651201 has 2 divisors, whose sum is σ = 12637502651202. Its totient is φ = 12637502651200.

The previous prime is 12637502651173. The next prime is 12637502651203. The reversal of 12637502651201 is 10215620573621.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10358613510400 + 2278889140801 = 3218480^2 + 1509599^2 .

It is a cyclic number.

It is not a de Polignac number, because 12637502651201 - 2¹⁰ = 12637502650177 is a prime.

It is a super-2 number, since 2×12637502651201² (a number of 27 digits) contains 22 as substring.

It is a Sophie Germain prime.

Together with 12637502651203, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (12637502651203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6318751325600 + 6318751325601.

It is an arithmetic number, because the mean of its divisors is an integer number (6318751325601).

Almost surely, 2^{12637502651201} is an apocalyptic number.

It is an amenable number.

12637502651201 is a deficient number, since it is larger than the sum of its proper divisors (1).

12637502651201 is an equidigital number, since it uses as much as digits as its factorization.

12637502651201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 151200, while the sum is 41.

The spelling of 12637502651201 in words is "twelve trillion, six hundred thirty-seven billion, five hundred two million, six hundred fifty-one thousand, two hundred one".