212202112101222 has 16 divisors (see below), whose sum is σ = 424654020705600. Its totient is φ = 70692404616552.

The previous prime is 212202112101181. The next prime is 212202112101227. The reversal of 212202112101222 is 222101211202212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212202112101227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10408176588 + ... + 10408196975.

It is an arithmetic number, because the mean of its divisors is an integer number (26540876294100).

Almost surely, 2^{212202112101222} is an apocalyptic number.

212202112101222 is an abundant number, since it is smaller than the sum of its proper divisors (212451908604378).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

212202112101222 is a wasteful number, since it uses less digits than its factorization.

212202112101222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20816375267.

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 212202112101222 its reverse (222101211202212), we get a palindrome (434303323303434).

The spelling of 212202112101222 in words is "two hundred twelve trillion, two hundred two billion, one hundred twelve million, one hundred one thousand, two hundred twenty-two".