3312212021 has 2 divisors, whose sum is σ = 3312212022. Its totient is φ = 3312212020.

The previous prime is 3312211963. The next prime is 3312212047. The reversal of 3312212021 is 1202122133.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3311427025 + 784996 = 57545^2 + 886^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3312212021 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3312212821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1656106010 + 1656106011.

It is an arithmetic number, because the mean of its divisors is an integer number (1656106011).

Almost surely, 2^3312212021 is an apocalyptic number.

It is an amenable number.

3312212021 is a deficient number, since it is larger than the sum of its proper divisors (1).

3312212021 is an equidigital number, since it uses as much as digits as its factorization.

3312212021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 3312212021 is about 57551.8203100475. The cubic root of 3312212021 is about 1490.6397896535.

Adding to 3312212021 its reverse (1202122133), we get a palindrome (4514334154).

The spelling of 3312212021 in words is "three billion, three hundred twelve million, two hundred twelve thousand, twenty-one".