12003321304 has 64 divisors (see below), whose sum is σ = 24697612800. Its totient is φ = 5435703936.

The previous prime is 12003321229. The next prime is 12003321349. The reversal of 12003321304 is 40312330021.

12003321304 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1334727 + ... + 1343689.

It is an arithmetic number, because the mean of its divisors is an integer number (385900200).

Almost surely, 2^12003321304 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12003321304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12348806400).

12003321304 is an abundant number, since it is smaller than the sum of its proper divisors (12694291496).

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

12003321304 is a wasteful number, since it uses less digits than its factorization.

12003321304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9224 (or 9220 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 12003321304 its reverse (40312330021), we get a palindrome (52315651325).

The spelling of 12003321304 in words is "twelve billion, three million, three hundred twenty-one thousand, three hundred four".