12366504618287 has 2 divisors, whose sum is σ = 12366504618288. Its totient is φ = 12366504618286.

The previous prime is 12366504618253. The next prime is 12366504618289. The reversal of 12366504618287 is 78281640566321.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12366504618287 - 2²² = 12366500423983 is a prime.

It is a super-2 number, since 2×12366504618287² (a number of 27 digits) contains 22 as substring.

Together with 12366504618289, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12366504618289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6183252309143 + 6183252309144.

It is an arithmetic number, because the mean of its divisors is an integer number (6183252309144).

Almost surely, 2^{12366504618287} is an apocalyptic number.

12366504618287 is a deficient number, since it is larger than the sum of its proper divisors (1).

12366504618287 is an equidigital number, since it uses as much as digits as its factorization.

12366504618287 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23224320, while the sum is 59.

The spelling of 12366504618287 in words is "twelve trillion, three hundred sixty-six billion, five hundred four million, six hundred eighteen thousand, two hundred eighty-seven".