212112323102222 has 32 divisors (see below), whose sum is σ = 326741765345280. Its totient is φ = 103236354224640.

The previous prime is 212112323102209. The next prime is 212112323102263. The reversal of 212112323102222 is 222201323211212.

It is a super-2 number, since 2×212112323102222² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 212112323102191 and 212112323102200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 518886203 + ... + 519294825.

It is an arithmetic number, because the mean of its divisors is an integer number (10210680167040).

Almost surely, 2^{212112323102222} is an apocalyptic number.

212112323102222 is a deficient number, since it is larger than the sum of its proper divisors (114629442243058).

212112323102222 is a wasteful number, since it uses less digits than its factorization.

212112323102222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 455048.

The product of its (nonzero) digits is 2304, while the sum is 26.

Adding to 212112323102222 its reverse (222201323211212), we get a palindrome (434313646313434).

The spelling of 212112323102222 in words is "two hundred twelve trillion, one hundred twelve billion, three hundred twenty-three million, one hundred two thousand, two hundred twenty-two".