12468804995281 has 2 divisors, whose sum is σ = 12468804995282. Its totient is φ = 12468804995280.

The previous prime is 12468804995261. The next prime is 12468804995293. The reversal of 12468804995281 is 18259940886421.

12468804995281 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7358307264400 + 5110497730881 = 2712620^2 + 2260641^2 .

It is a cyclic number.

It is not a de Polignac number, because 12468804995281 - 2³⁹ = 11919049181393 is a prime.

It is a super-2 number, since 2×12468804995281² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12468804995261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6234402497640 + 6234402497641.

It is an arithmetic number, because the mean of its divisors is an integer number (6234402497641).

Almost surely, 2^{12468804995281} is an apocalyptic number.

It is an amenable number.

12468804995281 is a deficient number, since it is larger than the sum of its proper divisors (1).

12468804995281 is an equidigital number, since it uses as much as digits as its factorization.

12468804995281 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 79626240, while the sum is 67.

The spelling of 12468804995281 in words is "twelve trillion, four hundred sixty-eight billion, eight hundred four million, nine hundred ninety-five thousand, two hundred eighty-one".