212210211210222 has 16 divisors (see below), whose sum is σ = 424420582367232. Its totient is φ = 70736710412280.

The previous prime is 212210211210181. The next prime is 212210211210227. The reversal of 212210211210222 is 222012112012212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212210211210227) 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, 17104147 + ... + 26776337.

It is an arithmetic number, because the mean of its divisors is an integer number (26526286397952).

Almost surely, 2^{212210211210222} is an apocalyptic number.

212210211210222 is an abundant number, since it is smaller than the sum of its proper divisors (212210371157010).

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

212210211210222 is a wasteful number, since it uses less digits than its factorization.

212210211210222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13328903.

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

Adding to 212210211210222 its reverse (222012112012212), we get a palindrome (434222323222434).

The spelling of 212210211210222 in words is "two hundred twelve trillion, two hundred ten billion, two hundred eleven million, two hundred ten thousand, two hundred twenty-two".