12004323020 has 12 divisors (see below), whose sum is σ = 25209078384. Its totient is φ = 4801729200.

The previous prime is 12004322929. The next prime is 12004323049. The reversal of 12004323020 is 2032340021.

It is a self number, because there is not a number n which added to its sum of digits gives 12004323020.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 300108056 + ... + 300108095.

It is an arithmetic number, because the mean of its divisors is an integer number (2100756532).

Almost surely, 2^12004323020 is an apocalyptic number.

12004323020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12004323020 is an abundant number, since it is smaller than the sum of its proper divisors (13204755364).

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

12004323020 is a wasteful number, since it uses less digits than its factorization.

12004323020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 600216160 (or 600216158 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

Adding to 12004323020 its reverse (2032340021), we get a palindrome (14036663041).

The spelling of 12004323020 in words is "twelve billion, four million, three hundred twenty-three thousand, twenty".