12307138911 has 24 divisors (see below), whose sum is σ = 18361035264. Its totient is φ = 7935500880.

The previous prime is 12307138897. The next prime is 12307138913. The reversal of 12307138911 is 11983170321.

12307138911 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12307138911 - 2⁶ = 12307138847 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12307138913) 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 in 23 ways as a sum of consecutive naturals, for example, 509080 + ... + 532706.

It is an arithmetic number, because the mean of its divisors is an integer number (765043136).

Almost surely, 2^12307138911 is an apocalyptic number.

12307138911 is a deficient number, since it is larger than the sum of its proper divisors (6053896353).

12307138911 is a wasteful number, since it uses less digits than its factorization.

12307138911 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25531 (or 25528 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 36.

The spelling of 12307138911 in words is "twelve billion, three hundred seven million, one hundred thirty-eight thousand, nine hundred eleven".