12612850975889 has 2 divisors, whose sum is σ = 12612850975890. Its totient is φ = 12612850975888.

The previous prime is 12612850975811. The next prime is 12612850975927. The reversal of 12612850975889 is 98857905821621.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8776376625025 + 3836474350864 = 2962495^2 + 1958692^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12612850975889 is a prime.

It is not a weakly prime, because it can be changed into another prime (12612850975589) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6306425487944 + 6306425487945.

It is an arithmetic number, because the mean of its divisors is an integer number (6306425487945).

Almost surely, 2^{12612850975889} is an apocalyptic number.

It is an amenable number.

12612850975889 is a deficient number, since it is larger than the sum of its proper divisors (1).

12612850975889 is an equidigital number, since it uses as much as digits as its factorization.

12612850975889 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 174182400, while the sum is 71.

The spelling of 12612850975889 in words is "twelve trillion, six hundred twelve billion, eight hundred fifty million, nine hundred seventy-five thousand, eight hundred eighty-nine".