12715683221291 has 2 divisors, whose sum is σ = 12715683221292. Its totient is φ = 12715683221290.

The previous prime is 12715683221231. The next prime is 12715683221357. The reversal of 12715683221291 is 19212238651721.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12715683221291 - 2¹⁰ = 12715683220267 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (12715683221231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6357841610645 + 6357841610646.

It is an arithmetic number, because the mean of its divisors is an integer number (6357841610646).

Almost surely, 2^{12715683221291} is an apocalyptic number.

12715683221291 is a deficient number, since it is larger than the sum of its proper divisors (1).

12715683221291 is an equidigital number, since it uses as much as digits as its factorization.

12715683221291 is an evil number, because the sum of its binary digits is even.

The product of its digits is 725760, while the sum is 50.

The spelling of 12715683221291 in words is "twelve trillion, seven hundred fifteen billion, six hundred eighty-three million, two hundred twenty-one thousand, two hundred ninety-one".