12220121002222 has 16 divisors (see below), whose sum is σ = 20953663267680. Its totient is φ = 5235973613568.

The previous prime is 12220121002153. The next prime is 12220121002351. The reversal of 12220121002222 is 22220012102221.

It is a self number, because there is not a number n which added to its sum of digits gives 12220121002222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 101696283 + ... + 101816374.

It is an arithmetic number, because the mean of its divisors is an integer number (1309603954230).

Almost surely, 2^{12220121002222} is an apocalyptic number.

12220121002222 is a deficient number, since it is larger than the sum of its proper divisors (8733542265458).

12220121002222 is a wasteful number, since it uses less digits than its factorization.

12220121002222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203516955.

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

Adding to 12220121002222 its reverse (22220012102221), we get a palindrome (34440133104443).

The spelling of 12220121002222 in words is "twelve trillion, two hundred twenty billion, one hundred twenty-one million, two thousand, two hundred twenty-two".