3312330021 has 192 divisors, whose sum is σ = 6958049280. Its totient is φ = 1461265920.

The previous prime is 3312330019. The next prime is 3312330037. The reversal of 3312330021 is 1200332133.

3312330021 is a `hidden beast` number, since 3 + 312 + 330 + 0 + 21 = 666.

It is not a de Polignac number, because 3312330021 - 2¹ = 3312330019 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 3312329976 and 3312330003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3312330001) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 6333066 + ... + 6333588.

It is an arithmetic number, because the mean of its divisors is an integer number (36239840).

Almost surely, 2^3312330021 is an apocalyptic number.

It is an amenable number.

3312330021 is an abundant number, since it is smaller than the sum of its proper divisors (3645719259).

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

3312330021 is a wasteful number, since it uses less digits than its factorization.

3312330021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 616 (or 613 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

The square root of 3312330021 is about 57552.8454639734. The cubic root of 3312330021 is about 1490.6574911579.

Adding to 3312330021 its reverse (1200332133), we get a palindrome (4512662154).

It can be divided in two parts, 3312 and 330021, that added together give a palindrome (333333).

The spelling of 3312330021 in words is "three billion, three hundred twelve million, three hundred thirty thousand, twenty-one".