12800265967 has 2 divisors, whose sum is σ = 12800265968. Its totient is φ = 12800265966.

The previous prime is 12800265941. The next prime is 12800265977. The reversal of 12800265967 is 76956200821.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12800265967 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12800265917) 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, 6400132983 + 6400132984.

It is an arithmetic number, because the mean of its divisors is an integer number (6400132984).

Almost surely, 2^12800265967 is an apocalyptic number.

12800265967 is a deficient number, since it is larger than the sum of its proper divisors (1).

12800265967 is an equidigital number, since it uses as much as digits as its factorization.

12800265967 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 362880, while the sum is 46.

The spelling of 12800265967 in words is "twelve billion, eight hundred million, two hundred sixty-five thousand, nine hundred sixty-seven".