212102122022210 has 96 divisors (see below), whose sum is σ = 457852858428672. Its totient is φ = 69170342440320.

The previous prime is 212102122022191. The next prime is 212102122022237. The reversal of 212102122022210 is 12220221201212.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 49530200 + ... + 53641820.

It is an arithmetic number, because the mean of its divisors is an integer number (4769300608632).

Almost surely, 2^{212102122022210} is an apocalyptic number.

212102122022210 is an abundant number, since it is smaller than the sum of its proper divisors (245750736406462).

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

212102122022210 is a wasteful number, since it uses less digits than its factorization.

212102122022210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4112016 (or 4111837 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 212102122022210 its reverse (12220221201212), we get a palindrome (224322343223422).

The spelling of 212102122022210 in words is "two hundred twelve trillion, one hundred two billion, one hundred twenty-two million, twenty-two thousand, two hundred ten".