3221303212 has 12 divisors (see below), whose sum is σ = 5637738456. Its totient is φ = 1610520800.

The previous prime is 3221303207. The next prime is 3221303233. The reversal of 3221303212 is 2123031223.

It is a self number, because there is not a number n which added to its sum of digits gives 3221303212.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41328 + ... + 90280.

It is an arithmetic number, because the mean of its divisors is an integer number (469811538).

Almost surely, 2^3221303212 is an apocalyptic number.

It is an amenable number.

3221303212 is a deficient number, since it is larger than the sum of its proper divisors (2416435244).

3221303212 is a wasteful number, since it uses less digits than its factorization.

3221303212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65408 (or 65406 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 3221303212 is about 56756.5257217177. The cubic root of 3221303212 is about 1476.8754406130.

Adding to 3221303212 its reverse (2123031223), we get a palindrome (5344334435).

The spelling of 3221303212 in words is "three billion, two hundred twenty-one million, three hundred three thousand, two hundred twelve".