220202212112 has 20 divisors (see below), whose sum is σ = 441353572620. Its totient is φ = 106304515968.

The previous prime is 220202212091. The next prime is 220202212123. The reversal of 220202212112 is 211212202022.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 86410129936 + 133792082176 = 293956^2 + 365776^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 237286403 + ... + 237287330.

It is an arithmetic number, because the mean of its divisors is an integer number (22067678631).

Almost surely, 2^220202212112 is an apocalyptic number.

It is an amenable number.

220202212112 is an abundant number, since it is smaller than the sum of its proper divisors (221151360508).

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

220202212112 is a wasteful number, since it uses less digits than its factorization.

220202212112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 474573770 (or 474573764 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 220202212112 its reverse (211212202022), we get a palindrome (431414414134).

The spelling of 220202212112 in words is "two hundred twenty billion, two hundred two million, two hundred twelve thousand, one hundred twelve".