220022101212 has 48 divisors (see below), whose sum is σ = 535903845792. Its totient is φ = 70188698880.

The previous prime is 220022101181. The next prime is 220022101213. The reversal of 220022101212 is 212101220022.

It is a junction number, because it is equal to n+sod(n) for n = 220022101191 and 220022101200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220022101213) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4034763 + ... + 4088930.

It is an arithmetic number, because the mean of its divisors is an integer number (11164663454).

Almost surely, 2^220022101212 is an apocalyptic number.

It is an amenable number.

220022101212 is an abundant number, since it is smaller than the sum of its proper divisors (315881744580).

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

220022101212 is a wasteful number, since it uses less digits than its factorization.

220022101212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8123798 (or 8123796 counting only the distinct ones).

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

Adding to 220022101212 its reverse (212101220022), we get a palindrome (432123321234).

The spelling of 220022101212 in words is "two hundred twenty billion, twenty-two million, one hundred one thousand, two hundred twelve".