12566313204 has 24 divisors (see below), whose sum is σ = 30036554688. Its totient is φ = 4086605760.

The previous prime is 12566313169. The next prime is 12566313229. The reversal of 12566313204 is 40231366521.

12566313204 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 7 ways as a sum of consecutive naturals, for example, 12770152 + ... + 12771135.

It is an arithmetic number, because the mean of its divisors is an integer number (1251523112).

Almost surely, 2^12566313204 is an apocalyptic number.

It is an amenable number.

12566313204 is an abundant number, since it is smaller than the sum of its proper divisors (17470241484).

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

12566313204 is a wasteful number, since it uses less digits than its factorization.

12566313204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25541335 (or 25541333 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 33.

Adding to 12566313204 its reverse (40231366521), we get a palindrome (52797679725).

The spelling of 12566313204 in words is "twelve billion, five hundred sixty-six million, three hundred thirteen thousand, two hundred four".