212210021202222 has 32 divisors (see below), whose sum is σ = 425203694697600. Its totient is φ = 70606099385888.

The previous prime is 212210021202199. The next prime is 212210021202233. The reversal of 212210021202222 is 222202120012212.

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, 20428804 + ... + 29013032.

It is an arithmetic number, because the mean of its divisors is an integer number (13287615459300).

Almost surely, 2^{212210021202222} is an apocalyptic number.

212210021202222 is an abundant number, since it is smaller than the sum of its proper divisors (212993673495378).

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

212210021202222 is a wasteful number, since it uses less digits than its factorization.

212210021202222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8591840.

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 212210021202222 its reverse (222202120012212), we get a palindrome (434412141214434).

The spelling of 212210021202222 in words is "two hundred twelve trillion, two hundred ten billion, twenty-one million, two hundred two thousand, two hundred twenty-two".