12256802226 has 40 divisors (see below), whose sum is σ = 28909813680. Its totient is φ = 3870568152.

The previous prime is 12256802203. The next prime is 12256802263. The reversal of 12256802226 is 62220865221.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1987956 + ... + 1994111.

It is an arithmetic number, because the mean of its divisors is an integer number (722745342).

Almost surely, 2^12256802226 is an apocalyptic number.

12256802226 is an abundant number, since it is smaller than the sum of its proper divisors (16653011454).

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

12256802226 is a wasteful number, since it uses less digits than its factorization.

12256802226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3982100 (or 3982091 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 36.

The spelling of 12256802226 in words is "twelve billion, two hundred fifty-six million, eight hundred two thousand, two hundred twenty-six".