220122201101212 has 12 divisors (see below), whose sum is σ = 398497088200680. Its totient is φ = 106265890186736.

The previous prime is 220122201101197. The next prime is 220122201101239. The reversal of 220122201101212 is 212101102221022.

It is a self number, because there is not a number n which added to its sum of digits gives 220122201101212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 948802590838 + ... + 948802591069.

It is an arithmetic number, because the mean of its divisors is an integer number (33208090683390).

Almost surely, 2^{220122201101212} is an apocalyptic number.

It is an amenable number.

220122201101212 is a deficient number, since it is larger than the sum of its proper divisors (178374887099468).

220122201101212 is a wasteful number, since it uses less digits than its factorization.

220122201101212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1897605181940 (or 1897605181938 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 220122201101212 its reverse (212101102221022), we get a palindrome (432223303322234).

The spelling of 220122201101212 in words is "two hundred twenty trillion, one hundred twenty-two billion, two hundred one million, one hundred one thousand, two hundred twelve".