3321213012 has 54 divisors (see below), whose sum is σ = 9090772782. Its totient is φ = 1021909824.

The previous prime is 3321212963. The next prime is 3321213017. The reversal of 3321213012 is 2103121233.

3321213012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 21399876 + 3299813136 = 4626^2 + 57444^2 .

It is a super-2 number, since 2×3321213012² = 22060911742156224288, which contains 22 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3321213017) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 266863 + ... + 279030.

Almost surely, 2^3321213012 is an apocalyptic number.

It is an amenable number.

3321213012 is an abundant number, since it is smaller than the sum of its proper divisors (5769559770).

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

3321213012 is a wasteful number, since it uses less digits than its factorization.

3321213012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 545929 (or 545911 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 3321213012 is about 57629.9662675591. The cubic root of 3321213012 is about 1491.9888477964.

Adding to 3321213012 its reverse (2103121233), we get a palindrome (5424334245).

The spelling of 3321213012 in words is "three billion, three hundred twenty-one million, two hundred thirteen thousand, twelve".