12939909279 has 24 divisors (see below), whose sum is σ = 18970694400. Its totient is φ = 7839714960.

The previous prime is 12939909259. The next prime is 12939909313. The reversal of 12939909279 is 97290993921.

12939909279 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 12939909279 - 2¹⁵ = 12939876511 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12939909259) 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, 1872172 + ... + 1879070.

It is an arithmetic number, because the mean of its divisors is an integer number (790445600).

Almost surely, 2^12939909279 is an apocalyptic number.

12939909279 is a deficient number, since it is larger than the sum of its proper divisors (6030785121).

12939909279 is a wasteful number, since it uses less digits than its factorization.

12939909279 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12091 (or 12080 counting only the distinct ones).

The product of its (nonzero) digits is 4960116, while the sum is 60.

The spelling of 12939909279 in words is "twelve billion, nine hundred thirty-nine million, nine hundred nine thousand, two hundred seventy-nine".