12102201022222 has 32 divisors (see below), whose sum is σ = 19726229376000. Its totient is φ = 5547394512000.

The previous prime is 12102201022217. The next prime is 12102201022273. The reversal of 12102201022222 is 22222010220121.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a self number, because there is not a number n which added to its sum of digits gives 12102201022222.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21991222 + ... + 22534822.

It is an arithmetic number, because the mean of its divisors is an integer number (616444668000).

Almost surely, 2^{12102201022222} is an apocalyptic number.

12102201022222 is a deficient number, since it is larger than the sum of its proper divisors (7624028353778).

12102201022222 is a wasteful number, since it uses less digits than its factorization.

12102201022222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 562552.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 12102201022222 its reverse (22222010220121), we get a palindrome (34324211242343).

The spelling of 12102201022222 in words is "twelve trillion, one hundred two billion, two hundred one million, twenty-two thousand, two hundred twenty-two".