12566628196 has 48 divisors (see below), whose sum is σ = 23885971200. Its totient is φ = 5765741568.

The previous prime is 12566628167. The next prime is 12566628199. The reversal of 12566628196 is 69182666521.

12566628196 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (12566628199) by changing a digit.

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, 328350 + ... + 364618.

It is an arithmetic number, because the mean of its divisors is an integer number (497624400).

Almost surely, 2^12566628196 is an apocalyptic number.

It is an amenable number.

12566628196 is a deficient number, since it is larger than the sum of its proper divisors (11319343004).

12566628196 is a wasteful number, since it uses less digits than its factorization.

12566628196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36436 (or 36434 counting only the distinct ones).

The product of its digits is 1866240, while the sum is 52.

The spelling of 12566628196 in words is "twelve billion, five hundred sixty-six million, six hundred twenty-eight thousand, one hundred ninety-six".