220012212 has 96 divisors (see below), whose sum is σ = 623589120. Its totient is φ = 59028480.

The previous prime is 220012207. The next prime is 220012297. The reversal of 220012212 is 212210022.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 88912 + ... + 91352.

It is an arithmetic number, because the mean of its divisors is an integer number (6495720).

Almost surely, 2^220012212 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 220012212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (311794560).

220012212 is an abundant number, since it is smaller than the sum of its proper divisors (403576908).

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

220012212 is a wasteful number, since it uses less digits than its factorization.

220012212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2521 (or 2519 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 220012212 is about 14832.8086349147. The cubic root of 220012212 is about 603.6922434023.

Adding to 220012212 its reverse (212210022), we get a palindrome (432222234).

The spelling of 220012212 in words is "two hundred twenty million, twelve thousand, two hundred twelve".