12307138913 has 2 divisors, whose sum is σ = 12307138914. Its totient is φ = 12307138912.

The previous prime is 12307138897. The next prime is 12307138927. The reversal of 12307138913 is 31983170321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10959367969 + 1347770944 = 104687^2 + 36712^2 .

It is a cyclic number.

It is not a de Polignac number, because 12307138913 - 2⁴ = 12307138897 is a prime.

It is not a weakly prime, because it can be changed into another prime (12307138993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6153569456 + 6153569457.

It is an arithmetic number, because the mean of its divisors is an integer number (6153569457).

Almost surely, 2^12307138913 is an apocalyptic number.

It is an amenable number.

12307138913 is a deficient number, since it is larger than the sum of its proper divisors (1).

12307138913 is an equidigital number, since it uses as much as digits as its factorization.

12307138913 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27216, while the sum is 38.

The spelling of 12307138913 in words is "twelve billion, three hundred seven million, one hundred thirty-eight thousand, nine hundred thirteen".