12204304504520 has 32 divisors (see below), whose sum is σ = 27460820188800. Its totient is φ = 4881520014528.

The previous prime is 12204304504501. The next prime is 12204304504523. The reversal of 12204304504520 is 2540540340221.

It is not an unprimeable number, because it can be changed into a prime (12204304504523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5324174 + ... + 7263293.

It is an arithmetic number, because the mean of its divisors is an integer number (858150630900).

Almost surely, 2^{12204304504520} is an apocalyptic number.

12204304504520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12204304504520 is an abundant number, since it is smaller than the sum of its proper divisors (15256515684280).

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

12204304504520 is a wasteful number, since it uses less digits than its factorization.

12204304504520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12611717 (or 12611713 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 32.

Adding to 12204304504520 its reverse (2540540340221), we get a palindrome (14744844844741).

The spelling of 12204304504520 in words is "twelve trillion, two hundred four billion, three hundred four million, five hundred four thousand, five hundred twenty".