12866938623239 has 8 divisors (see below), whose sum is σ = 13170743055360. Its totient is φ = 12563342068536.

The previous prime is 12866938623193. The next prime is 12866938623271. The reversal of 12866938623239 is 93232683966821.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12866938623239 is a prime.

It is a super-2 number, since 2×12866938623239² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12866938629239) 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 in 7 ways as a sum of consecutive naturals, for example, 51844097 + ... + 52091690.

It is an arithmetic number, because the mean of its divisors is an integer number (1646342881920).

Almost surely, 2^{12866938623239} is an apocalyptic number.

12866938623239 is a deficient number, since it is larger than the sum of its proper divisors (303804432121).

12866938623239 is a wasteful number, since it uses less digits than its factorization.

12866938623239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103938709.

The product of its digits is 241864704, while the sum is 68.

The spelling of 12866938623239 in words is "twelve trillion, eight hundred sixty-six billion, nine hundred thirty-eight million, six hundred twenty-three thousand, two hundred thirty-nine".