12686412601 has 2 divisors, whose sum is σ = 12686412602. Its totient is φ = 12686412600.

The previous prime is 12686412553. The next prime is 12686412617. The reversal of 12686412601 is 10621468621.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11156429376 + 1529983225 = 105624^2 + 39115^2 .

It is an emirp because it is prime and its reverse (10621468621) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12686412601 is a prime.

It is not a weakly prime, because it can be changed into another prime (12686412301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6343206300 + 6343206301.

It is an arithmetic number, because the mean of its divisors is an integer number (6343206301).

Almost surely, 2^12686412601 is an apocalyptic number.

It is an amenable number.

12686412601 is a deficient number, since it is larger than the sum of its proper divisors (1).

12686412601 is an equidigital number, since it uses as much as digits as its factorization.

12686412601 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27648, while the sum is 37.

The spelling of 12686412601 in words is "twelve billion, six hundred eighty-six million, four hundred twelve thousand, six hundred one".