12729013023 has 32 divisors (see below), whose sum is σ = 17831501824. Its totient is φ = 8068781952.

The previous prime is 12729013009. The next prime is 12729013039. The reversal of 12729013023 is 32031092721.

It is not a de Polignac number, because 12729013023 - 2⁵ = 12729012991 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12729013093) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 937761 + ... + 951237.

It is an arithmetic number, because the mean of its divisors is an integer number (557234432).

Almost surely, 2^12729013023 is an apocalyptic number.

12729013023 is a deficient number, since it is larger than the sum of its proper divisors (5102488801).

12729013023 is a wasteful number, since it uses less digits than its factorization.

12729013023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13711.

The product of its (nonzero) digits is 4536, while the sum is 30.

The spelling of 12729013023 in words is "twelve billion, seven hundred twenty-nine million, thirteen thousand, twenty-three".