220220101212 has 24 divisors (see below), whose sum is σ = 514001350800. Its totient is φ = 73384636416.

The previous prime is 220220101181. The next prime is 220220101219. The reversal of 220220101212 is 212101022022.

It is a junction number, because it is equal to n+sod(n) for n = 220220101191 and 220220101200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220220101219) 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, 2716387 + ... + 2796282.

It is an arithmetic number, because the mean of its divisors is an integer number (21416722950).

Almost surely, 2^220220101212 is an apocalyptic number.

It is an amenable number.

220220101212 is an abundant number, since it is smaller than the sum of its proper divisors (293781249588).

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

220220101212 is a wasteful number, since it uses less digits than its factorization.

220220101212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5516005 (or 5516003 counting only the distinct ones).

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

Adding to 220220101212 its reverse (212101022022), we get a palindrome (432321123234).

The spelling of 220220101212 in words is "two hundred twenty billion, two hundred twenty million, one hundred one thousand, two hundred twelve".