12226720442220 has 48 divisors (see below), whose sum is σ = 38038685821920. Its totient is φ = 3260458784448.

The previous prime is 12226720442207. The next prime is 12226720442263. The reversal of 12226720442220 is 2224402762221.

12226720442220 is a `hidden beast` number, since 1 + 2 + 2 + 2 + 6 + 7 + 204 + 422 + 20 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11321036907 + ... + 11321037986.

It is an arithmetic number, because the mean of its divisors is an integer number (792472621290).

Almost surely, 2^{12226720442220} is an apocalyptic number.

12226720442220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12226720442220 is an abundant number, since it is smaller than the sum of its proper divisors (25811965379700).

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

12226720442220 is a wasteful number, since it uses less digits than its factorization.

12226720442220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22642074911 (or 22642074903 counting only the distinct ones).

The product of its (nonzero) digits is 86016, while the sum is 36.

The spelling of 12226720442220 in words is "twelve trillion, two hundred twenty-six billion, seven hundred twenty million, four hundred forty-two thousand, two hundred twenty".