3321212312 has 64 divisors (see below), whose sum is σ = 7164720000. Its totient is φ = 1427431680.

The previous prime is 3321212309. The next prime is 3321212317. The reversal of 3321212312 is 2132121233.

It is a super-2 number, since 2×3321212312² = 22060902442760770688, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3321212317) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1033364 + ... + 1036572.

It is an arithmetic number, because the mean of its divisors is an integer number (111948750).

Almost surely, 2^3321212312 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 3321212312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3582360000).

3321212312 is an abundant number, since it is smaller than the sum of its proper divisors (3843507688).

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

3321212312 is a wasteful number, since it uses less digits than its factorization.

3321212312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3864 (or 3860 counting only the distinct ones).

The product of its digits is 432, while the sum is 20.

The square root of 3321212312 is about 57629.9601943295. The cubic root of 3321212312 is about 1491.9887429761.

Adding to 3321212312 its reverse (2132121233), we get a palindrome (5453333545).

It can be divided in two parts, 332121231 and 2, that added together give a palindrome (332121233).

The spelling of 3321212312 in words is "three billion, three hundred twenty-one million, two hundred twelve thousand, three hundred twelve".