3312000021 has 12 divisors (see below), whose sum is σ = 4853950976. Its totient is φ = 2007272520.

The previous prime is 3312000019. The next prime is 3312000047. The reversal of 3312000021 is 1200002133.

It is a happy number.

It is not a de Polignac number, because 3312000021 - 2¹ = 3312000019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3311999970 and 3312000006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3312000011) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4561621 + ... + 4562346.

Almost surely, 2^3312000021 is an apocalyptic number.

It is an amenable number.

3312000021 is a deficient number, since it is larger than the sum of its proper divisors (1541950955).

3312000021 is a wasteful number, since it uses less digits than its factorization.

3312000021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9123992 (or 9123981 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 3312000021 is about 57549.9784622027. The cubic root of 3312000021 is about 1490.6079858946.

Adding to 3312000021 its reverse (1200002133), we get a palindrome (4512002154).

It can be divided in two parts, 33 and 12000021, that multiplied together give a palindrome (396000693).

The spelling of 3312000021 in words is "three billion, three hundred twelve million, twenty-one", and thus it is an aban number.