220222112012 has 24 divisors (see below), whose sum is σ = 442531649280. Its totient is φ = 93933599760.

The previous prime is 220222111979. The next prime is 220222112111. The reversal of 220222112012 is 210211222022.

It is a happy 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, 18631712 + ... + 18643527.

It is an arithmetic number, because the mean of its divisors is an integer number (18438818720).

Almost surely, 2^220222112012 is an apocalyptic number.

It is an amenable number.

220222112012 is an abundant number, since it is smaller than the sum of its proper divisors (222309537268).

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

220222112012 is a wasteful number, since it uses less digits than its factorization.

220222112012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37275461 (or 37275459 counting only the distinct ones).

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

Adding to 220222112012 its reverse (210211222022), we get a palindrome (430433334034).

The spelling of 220222112012 in words is "two hundred twenty billion, two hundred twenty-two million, one hundred twelve thousand, twelve".