12225345204 has 24 divisors (see below), whose sum is σ = 29766058560. Its totient is φ = 3897936064.

The previous prime is 12225345203. The next prime is 12225345233. The reversal of 12225345204 is 40254352221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12225345203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22147089 + ... + 22147640.

It is an arithmetic number, because the mean of its divisors is an integer number (1240252440).

Almost surely, 2^12225345204 is an apocalyptic number.

It is an amenable number.

12225345204 is an abundant number, since it is smaller than the sum of its proper divisors (17540713356).

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

12225345204 is a wasteful number, since it uses less digits than its factorization.

12225345204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44294759 (or 44294757 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 30.

Adding to 12225345204 its reverse (40254352221), we get a palindrome (52479697425).

The spelling of 12225345204 in words is "twelve billion, two hundred twenty-five million, three hundred forty-five thousand, two hundred four".