12804365500 has 24 divisors (see below), whose sum is σ = 27964735344. Its totient is φ = 5121746000.

The previous prime is 12804365401. The next prime is 12804365543. The reversal of 12804365500 is 556340821.

It is a congruent 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, 12803866 + ... + 12804865.

It is an arithmetic number, because the mean of its divisors is an integer number (1165197306).

Almost surely, 2^12804365500 is an apocalyptic number.

12804365500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12804365500 is an abundant number, since it is smaller than the sum of its proper divisors (15160369844).

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

12804365500 is a wasteful number, since it uses less digits than its factorization.

12804365500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25608750 (or 25608738 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 34.

The spelling of 12804365500 in words is "twelve billion, eight hundred four million, three hundred sixty-five thousand, five hundred".