3220212012 has 48 divisors (see below), whose sum is σ = 7990980480. Its totient is φ = 1005797632.

The previous prime is 3220212007. The next prime is 3220212013. The reversal of 3220212012 is 2102120223.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 3220211982 and 3220212000.

It is not an unprimeable number, because it can be changed into a prime (3220212013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11539 + ... + 81077.

It is an arithmetic number, because the mean of its divisors is an integer number (166478760).

Almost surely, 2^3220212012 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 3220212012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3995490240).

3220212012 is an abundant number, since it is smaller than the sum of its proper divisors (4770768468).

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

3220212012 is a wasteful number, since it uses less digits than its factorization.

3220212012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69790 (or 69788 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 3220212012 is about 56746.9119159801. The cubic root of 3220212012 is about 1476.7086604437.

Adding to 3220212012 its reverse (2102120223), we get a palindrome (5322332235).

The spelling of 3220212012 in words is "three billion, two hundred twenty million, two hundred twelve thousand, twelve".