3321112212 has 144 divisors (see below), whose sum is σ = 9709156800. Its totient is φ = 973598400.

The previous prime is 3321112211. The next prime is 3321112229. The reversal of 3321112212 is 2122111233.

3321112212 is a `hidden beast` number, since 332 + 111 + 221 + 2 = 666.

It is a super-2 number, since 2×3321112212² = 22059572649391065888, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3321112211) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1140214 + ... + 1143122.

It is an arithmetic number, because the mean of its divisors is an integer number (67424700).

Almost surely, 2^3321112212 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 3321112212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4854578400).

3321112212 is an abundant number, since it is smaller than the sum of its proper divisors (6388044588).

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

3321112212 is a wasteful number, since it uses less digits than its factorization.

3321112212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2995 (or 2956 counting only the distinct ones).

The product of its digits is 144, while the sum is 18.

The square root of 3321112212 is about 57629.0917159033. The cubic root of 3321112212 is about 1491.9737535124.

Adding to 3321112212 its reverse (2122111233), we get a palindrome (5443223445).

The spelling of 3321112212 in words is "three billion, three hundred twenty-one million, one hundred twelve thousand, two hundred twelve".