222020101212 has 192 divisors, whose sum is σ = 663127019520. Its totient is φ = 56250215424.

The previous prime is 222020101187. The next prime is 222020101229. The reversal of 222020101212 is 212101020222.

It is a junction number, because it is equal to n+sod(n) for n = 222020101191 and 222020101200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3157138 + ... + 3226694.

It is an arithmetic number, because the mean of its divisors is an integer number (3453786560).

Almost surely, 2^222020101212 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 222020101212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (331563509760).

222020101212 is an abundant number, since it is smaller than the sum of its proper divisors (441106918308).

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

222020101212 is a wasteful number, since it uses less digits than its factorization.

222020101212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69700 (or 69698 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 222020101212 its reverse (212101020222), we get a palindrome (434121121434).

The spelling of 222020101212 in words is "two hundred twenty-two billion, twenty million, one hundred one thousand, two hundred twelve".