12307138939 has 2 divisors, whose sum is σ = 12307138940. Its totient is φ = 12307138938.

The previous prime is 12307138927. The next prime is 12307138993. The reversal of 12307138939 is 93983170321.

12307138939 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

Together with next prime (12307138993) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12307138939 - 2³³ = 3717204347 is a prime.

It is not a weakly prime, because it can be changed into another prime (12307138999) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6153569469 + 6153569470.

It is an arithmetic number, because the mean of its divisors is an integer number (6153569470).

Almost surely, 2^12307138939 is an apocalyptic number.

12307138939 is a deficient number, since it is larger than the sum of its proper divisors (1).

12307138939 is an equidigital number, since it uses as much as digits as its factorization.

12307138939 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 244944, while the sum is 46.

The spelling of 12307138939 in words is "twelve billion, three hundred seven million, one hundred thirty-eight thousand, nine hundred thirty-nine".