12402590117 has 2 divisors, whose sum is σ = 12402590118. Its totient is φ = 12402590116.

The previous prime is 12402590111. The next prime is 12402590129. The reversal of 12402590117 is 71109520421.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8631524836 + 3771065281 = 92906^2 + 61409^2 .

It is an emirp because it is prime and its reverse (71109520421) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12402590117 - 2²⁰ = 12401541541 is a prime.

It is a super-2 number, since 2×12402590117² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12402590111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6201295058 + 6201295059.

It is an arithmetic number, because the mean of its divisors is an integer number (6201295059).

Almost surely, 2^12402590117 is an apocalyptic number.

It is an amenable number.

12402590117 is a deficient number, since it is larger than the sum of its proper divisors (1).

12402590117 is an equidigital number, since it uses as much as digits as its factorization.

12402590117 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5040, while the sum is 32.

The spelling of 12402590117 in words is "twelve billion, four hundred two million, five hundred ninety thousand, one hundred seventeen".