12023129685 has 32 divisors (see below), whose sum is σ = 22263459840. Its totient is φ = 5426710848.

The previous prime is 12023129617. The next prime is 12023129717. The reversal of 12023129685 is 58692132021.

It is not a de Polignac number, because 12023129685 - 2¹⁴ = 12023113301 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 716427 + ... + 733016.

It is an arithmetic number, because the mean of its divisors is an integer number (695733120).

Almost surely, 2^12023129685 is an apocalyptic number.

12023129685 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12023129685 is a deficient number, since it is larger than the sum of its proper divisors (10240330155).

12023129685 is a wasteful number, since it uses less digits than its factorization.

12023129685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1449537.

The product of its (nonzero) digits is 51840, while the sum is 39.

The spelling of 12023129685 in words is "twelve billion, twenty-three million, one hundred twenty-nine thousand, six hundred eighty-five".