12315422180951 has 2 divisors, whose sum is σ = 12315422180952. Its totient is φ = 12315422180950.

The previous prime is 12315422180927. The next prime is 12315422180981. The reversal of 12315422180951 is 15908122451321.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12315422180951 - 2³⁸ = 12040544274007 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12315422180981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6157711090475 + 6157711090476.

It is an arithmetic number, because the mean of its divisors is an integer number (6157711090476).

Almost surely, 2^{12315422180951} is an apocalyptic number.

12315422180951 is a deficient number, since it is larger than the sum of its proper divisors (1).

12315422180951 is an equidigital number, since it uses as much as digits as its factorization.

12315422180951 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 172800, while the sum is 44.

The spelling of 12315422180951 in words is "twelve trillion, three hundred fifteen billion, four hundred twenty-two million, one hundred eighty thousand, nine hundred fifty-one".