12147565260013 has 2 divisors, whose sum is σ = 12147565260014. Its totient is φ = 12147565260012.

The previous prime is 12147565259983. The next prime is 12147565260023. The reversal of 12147565260013 is 31006256574121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12034085884324 + 113479375689 = 3469018^2 + 336867^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12147565260013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12147565260023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6073782630006 + 6073782630007.

It is an arithmetic number, because the mean of its divisors is an integer number (6073782630007).

Almost surely, 2^{12147565260013} is an apocalyptic number.

It is an amenable number.

12147565260013 is a deficient number, since it is larger than the sum of its proper divisors (1).

12147565260013 is an equidigital number, since it uses as much as digits as its factorization.

12147565260013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 302400, while the sum is 43.

The spelling of 12147565260013 in words is "twelve trillion, one hundred forty-seven billion, five hundred sixty-five million, two hundred sixty thousand, thirteen".