212013213222 has 16 divisors (see below), whose sum is σ = 425145234240. Its totient is φ = 70484603112.

The previous prime is 212013213197. The next prime is 212013213227. The reversal of 212013213222 is 222312310212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212013213227) 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, 46614528 + ... + 46619075.

It is an arithmetic number, because the mean of its divisors is an integer number (26571577140).

Almost surely, 2^212013213222 is an apocalyptic number.

212013213222 is an abundant number, since it is smaller than the sum of its proper divisors (213132021018).

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

212013213222 is a wasteful number, since it uses less digits than its factorization.

212013213222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93233987.

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

Adding to 212013213222 its reverse (222312310212), we get a palindrome (434325523434).

The spelling of 212013213222 in words is "two hundred twelve billion, thirteen million, two hundred thirteen thousand, two hundred twenty-two".