3220012312 has 48 divisors (see below), whose sum is σ = 6644547000. Its totient is φ = 1461820800.

The previous prime is 3220012309. The next prime is 3220012331. The reversal of 3220012312 is 2132100223.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1054564 + ... + 1057612.

Almost surely, 2^3220012312 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 3220012312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3322273500).

3220012312 is an abundant number, since it is smaller than the sum of its proper divisors (3424534688).

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

3220012312 is a wasteful number, since it uses less digits than its factorization.

3220012312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4168 (or 4153 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 3220012312 is about 56745.1523215860. The cubic root of 3220012312 is about 1476.6781340048.

Adding to 3220012312 its reverse (2132100223), we get a palindrome (5352112535).

The spelling of 3220012312 in words is "three billion, two hundred twenty million, twelve thousand, three hundred twelve".