220012112 has 20 divisors (see below), whose sum is σ = 444807840. Its totient is φ = 105223008.

The previous prime is 220012103. The next prime is 220012157. The reversal of 220012112 is 211210022.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 220012093 and 220012102.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 298562 + ... + 299297.

It is an arithmetic number, because the mean of its divisors is an integer number (22240392).

Almost surely, 2^220012112 is an apocalyptic number.

It is an amenable number.

220012112 is an abundant number, since it is smaller than the sum of its proper divisors (224795728).

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

220012112 is a wasteful number, since it uses less digits than its factorization.

220012112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 597890 (or 597884 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 220012112 is about 14832.8052640086. The cubic root of 220012112 is about 603.6921519388.

Adding to 220012112 its reverse (211210022), we get a palindrome (431222134).

The spelling of 220012112 in words is "two hundred twenty million, twelve thousand, one hundred twelve".