3212224004021 has 2 divisors, whose sum is σ = 3212224004022. Its totient is φ = 3212224004020.

The previous prime is 3212224003973. The next prime is 3212224004039. The reversal of 3212224004021 is 1204004222123.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2381867488900 + 830356515121 = 1543330^2 + 911239^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3212224004021 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3212224004071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1606112002010 + 1606112002011.

It is an arithmetic number, because the mean of its divisors is an integer number (1606112002011).

Almost surely, 2^{3212224004021} is an apocalyptic number.

It is an amenable number.

3212224004021 is a deficient number, since it is larger than the sum of its proper divisors (1).

3212224004021 is an equidigital number, since it uses as much as digits as its factorization.

3212224004021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 3212224004021 its reverse (1204004222123), we get a palindrome (4416228226144).

The spelling of 3212224004021 in words is "three trillion, two hundred twelve billion, two hundred twenty-four million, four thousand, twenty-one".