12392778088739 has 2 divisors, whose sum is σ = 12392778088740. Its totient is φ = 12392778088738.

The previous prime is 12392778088729. The next prime is 12392778088753. The reversal of 12392778088739 is 93788087729321.

It is a weak prime.

It is an emirp because it is prime and its reverse (93788087729321) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12392778088739 - 2²⁸ = 12392509653283 is a prime.

It is a super-2 number, since 2×12392778088739² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12392778088729) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6196389044369 + 6196389044370.

It is an arithmetic number, because the mean of its divisors is an integer number (6196389044370).

Almost surely, 2^{12392778088739} is an apocalyptic number.

12392778088739 is a deficient number, since it is larger than the sum of its proper divisors (1).

12392778088739 is an equidigital number, since it uses as much as digits as its factorization.

12392778088739 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 512096256, while the sum is 74.

The spelling of 12392778088739 in words is "twelve trillion, three hundred ninety-two billion, seven hundred seventy-eight million, eighty-eight thousand, seven hundred thirty-nine".