1222212202202 has 16 divisors (see below), whose sum is σ = 1835231228160. Its totient is φ = 610468632288.

The previous prime is 1222212202181. The next prime is 1222212202219. The reversal of 1222212202202 is 2022022122221.

It is a super-2 number, since 2×1222212202202² (a number of 25 digits) contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 15556823 + ... + 15635189.

It is an arithmetic number, because the mean of its divisors is an integer number (114701951760).

Almost surely, 2^{1222212202202} is an apocalyptic number.

1222212202202 is a deficient number, since it is larger than the sum of its proper divisors (613019025958).

1222212202202 is a wasteful number, since it uses less digits than its factorization.

1222212202202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86405.

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 1222212202202 its reverse (2022022122221), we get a palindrome (3244234324423).

The spelling of 1222212202202 in words is "one trillion, two hundred twenty-two billion, two hundred twelve million, two hundred two thousand, two hundred two".