1222202210212 has 12 divisors (see below), whose sum is σ = 2139124014720. Its totient is φ = 611023920296.

The previous prime is 1222202210191. The next prime is 1222202210231. The reversal of 1222202210212 is 2120122022221.

It is a self number, because there is not a number n which added to its sum of digits gives 1222202210212.

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, 19260568 + ... + 19323919.

It is an arithmetic number, because the mean of its divisors is an integer number (178260334560).

Almost surely, 2^{1222202210212} is an apocalyptic number.

It is an amenable number.

1222202210212 is a deficient number, since it is larger than the sum of its proper divisors (916921804508).

1222202210212 is a wasteful number, since it uses less digits than its factorization.

1222202210212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38592410 (or 38592408 counting only the distinct ones).

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

Adding to 1222202210212 its reverse (2120122022221), we get a palindrome (3342324232433).

The spelling of 1222202210212 in words is "one trillion, two hundred twenty-two billion, two hundred two million, two hundred ten thousand, two hundred twelve".