212220020222 has 16 divisors (see below), whose sum is σ = 364362894432. Its totient is φ = 90812150880.

The previous prime is 212220020203. The next prime is 212220020293. The reversal of 212220020222 is 222020022212.

It is a self number, because there is not a number n which added to its sum of digits gives 212220020222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11597729 + ... + 11616012.

It is an arithmetic number, because the mean of its divisors is an integer number (22772680902).

Almost surely, 2^212220020222 is an apocalyptic number.

212220020222 is a deficient number, since it is larger than the sum of its proper divisors (152142874210).

212220020222 is a wasteful number, since it uses less digits than its factorization.

212220020222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23214403.

The product of its (nonzero) digits is 256, while the sum is 17.

Adding to 212220020222 its reverse (222020022212), we get a palindrome (434240042434).

The spelling of 212220020222 in words is "two hundred twelve billion, two hundred twenty million, twenty thousand, two hundred twenty-two".