12039238923500 has 24 divisors (see below), whose sum is σ = 26293697810016. Its totient is φ = 4815695569200.

The previous prime is 12039238923449. The next prime is 12039238923541. The reversal of 12039238923500 is 532983293021.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12039238424 + ... + 12039239423.

It is an arithmetic number, because the mean of its divisors is an integer number (1095570742084).

Almost surely, 2^{12039238923500} is an apocalyptic number.

12039238923500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12039238923500 is an abundant number, since it is smaller than the sum of its proper divisors (14254458886516).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12039238923500 is a wasteful number, since it uses less digits than its factorization.

12039238923500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24078477866 (or 24078477854 counting only the distinct ones).

The product of its (nonzero) digits is 699840, while the sum is 47.

The spelling of 12039238923500 in words is "twelve trillion, thirty-nine billion, two hundred thirty-eight million, nine hundred twenty-three thousand, five hundred".