12021102220222 has 32 divisors (see below), whose sum is σ = 19307870467200. Its totient is φ = 5596106253408.

The previous prime is 12021102220217. The next prime is 12021102220271. The reversal of 12021102220222 is 22202220112021.

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 12021102220222.

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, 7162173 + ... + 8679799.

It is an arithmetic number, because the mean of its divisors is an integer number (603370952100).

Almost surely, 2^{12021102220222} is an apocalyptic number.

12021102220222 is a deficient number, since it is larger than the sum of its proper divisors (7286768246978).

12021102220222 is a wasteful number, since it uses less digits than its factorization.

12021102220222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1521240.

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

Adding to 12021102220222 its reverse (22202220112021), we get a palindrome (34223322332243).

The spelling of 12021102220222 in words is "twelve trillion, twenty-one billion, one hundred two million, two hundred twenty thousand, two hundred twenty-two".