12220221000222 has 32 divisors (see below), whose sum is σ = 27157312143360. Its totient is φ = 4073217178680.

The previous prime is 12220221000199. The next prime is 12220221000233. The reversal of 12220221000222 is 22200012202221.

12220221000222 is a `hidden beast` number, since 1 + 2 + 220 + 221 + 0 + 0 + 0 + 222 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 12220221000195 and 12220221000204.

It is a congruent number.

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, 4100904 + ... + 6423227.

It is an arithmetic number, because the mean of its divisors is an integer number (848666004480).

Almost surely, 2^{12220221000222} is an apocalyptic number.

12220221000222 is an abundant number, since it is smaller than the sum of its proper divisors (14937091143138).

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

12220221000222 is a wasteful number, since it uses less digits than its factorization.

12220221000222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10545645 (or 10545639 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 12220221000222 its reverse (22200012202221), we get a palindrome (34420233202443).

The spelling of 12220221000222 in words is "twelve trillion, two hundred twenty billion, two hundred twenty-one million, two hundred twenty-two", and thus it is an aban number.