212323213102222 has 16 divisors (see below), whose sum is σ = 319085513034912. Its totient is φ = 105961390181280.

The previous prime is 212323213102219. The next prime is 212323213102243. The reversal of 212323213102222 is 222201312323212.

It is a super-2 number, since 2×212323213102222² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25206103 + ... + 32557549.

It is an arithmetic number, because the mean of its divisors is an integer number (19942844564682).

Almost surely, 2^{212323213102222} is an apocalyptic number.

212323213102222 is a deficient number, since it is larger than the sum of its proper divisors (106762299932690).

212323213102222 is a wasteful number, since it uses less digits than its factorization.

212323213102222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7378683.

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 212323213102222 its reverse (222201312323212), we get a palindrome (434524525425434).

The spelling of 212323213102222 in words is "two hundred twelve trillion, three hundred twenty-three billion, two hundred thirteen million, one hundred two thousand, two hundred twenty-two".