212230311222 has 32 divisors (see below), whose sum is σ = 426649985280. Its totient is φ = 70379030880.

The previous prime is 212230311203. The next prime is 212230311257. The reversal of 212230311222 is 222113032212.

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, 1702647 + ... + 1823037.

It is an arithmetic number, because the mean of its divisors is an integer number (13332812040).

Almost surely, 2^212230311222 is an apocalyptic number.

212230311222 is an abundant number, since it is smaller than the sum of its proper divisors (214419674058).

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

212230311222 is a wasteful number, since it uses less digits than its factorization.

212230311222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121908.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 212230311222 its reverse (222113032212), we get a palindrome (434343343434).

The spelling of 212230311222 in words is "two hundred twelve billion, two hundred thirty million, three hundred eleven thousand, two hundred twenty-two".