12923086868 has 24 divisors (see below), whose sum is σ = 22943088000. Its totient is φ = 6367991840.

The previous prime is 12923086861. The next prime is 12923086871. The reversal of 12923086868 is 86868032921.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12923086861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 844130 + ... + 859302.

It is an arithmetic number, because the mean of its divisors is an integer number (955962000).

Almost surely, 2^12923086868 is an apocalyptic number.

It is an amenable number.

12923086868 is a deficient number, since it is larger than the sum of its proper divisors (10020001132).

12923086868 is a wasteful number, since it uses less digits than its factorization.

12923086868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18247 (or 18245 counting only the distinct ones).

The product of its (nonzero) digits is 1990656, while the sum is 53.

The spelling of 12923086868 in words is "twelve billion, nine hundred twenty-three million, eighty-six thousand, eight hundred sixty-eight".