220112012 has 48 divisors (see below), whose sum is σ = 405672960. Its totient is φ = 104412672.

The previous prime is 220112003. The next prime is 220112033. The reversal of 220112012 is 210211022.

It is a happy number.

220112012 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 220111984 and 220112002.

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 15 ways as a sum of consecutive naturals, for example, 1317953 + ... + 1318119.

It is an arithmetic number, because the mean of its divisors is an integer number (8451520).

Almost surely, 2^220112012 is an apocalyptic number.

It is an amenable number.

220112012 is a deficient number, since it is larger than the sum of its proper divisors (185560948).

220112012 is a wasteful number, since it uses less digits than its factorization.

220112012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 390 (or 388 counting only the distinct ones).

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

The square root of 220112012 is about 14836.1724174397. The cubic root of 220112012 is about 603.7835101216.

Adding to 220112012 its reverse (210211022), we get a palindrome (430323034).

The spelling of 220112012 in words is "two hundred twenty million, one hundred twelve thousand, twelve".