12204320304 has 80 divisors (see below), whose sum is σ = 34584286464. Its totient is φ = 3677817600.

The previous prime is 12204320273. The next prime is 12204320311. The reversal of 12204320304 is 40302340221.

It is a super-3 number, since 3×12204320304³ (a number of 31 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31717 + ... + 159419.

Almost surely, 2^12204320304 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 12204320304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17292143232).

12204320304 is an abundant number, since it is smaller than the sum of its proper divisors (22379966160).

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

12204320304 is a wasteful number, since it uses less digits than its factorization.

12204320304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127906 (or 127900 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 12204320304 its reverse (40302340221), we get a palindrome (52506660525).

The spelling of 12204320304 in words is "twelve billion, two hundred four million, three hundred twenty thousand, three hundred four".