12315412611247 has 2 divisors, whose sum is σ = 12315412611248. Its totient is φ = 12315412611246.

The previous prime is 12315412611239. The next prime is 12315412611347. The reversal of 12315412611247 is 74211621451321.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12315412611247 - 2³ = 12315412611239 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12315412611217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6157706305623 + 6157706305624.

It is an arithmetic number, because the mean of its divisors is an integer number (6157706305624).

Almost surely, 2^{12315412611247} is an apocalyptic number.

12315412611247 is a deficient number, since it is larger than the sum of its proper divisors (1).

12315412611247 is an equidigital number, since it uses as much as digits as its factorization.

12315412611247 is an evil number, because the sum of its binary digits is even.

The product of its digits is 80640, while the sum is 40.

The spelling of 12315412611247 in words is "twelve trillion, three hundred fifteen billion, four hundred twelve million, six hundred eleven thousand, two hundred forty-seven".