12427315318277 has 2 divisors, whose sum is σ = 12427315318278. Its totient is φ = 12427315318276.

The previous prime is 12427315318259. The next prime is 12427315318417. The reversal of 12427315318277 is 77281351372421.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9765568750081 + 2661746568196 = 3124991^2 + 1631486^2 .

It is a cyclic number.

It is not a de Polignac number, because 12427315318277 - 2⁶ = 12427315318213 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12427315308277) 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, 6213657659138 + 6213657659139.

It is an arithmetic number, because the mean of its divisors is an integer number (6213657659139).

Almost surely, 2^{12427315318277} is an apocalyptic number.

It is an amenable number.

12427315318277 is a deficient number, since it is larger than the sum of its proper divisors (1).

12427315318277 is an equidigital number, since it uses as much as digits as its factorization.

12427315318277 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3951360, while the sum is 53.

The spelling of 12427315318277 in words is "twelve trillion, four hundred twenty-seven billion, three hundred fifteen million, three hundred eighteen thousand, two hundred seventy-seven".