3212322121 has 2 divisors, whose sum is σ = 3212322122. Its totient is φ = 3212322120.

The previous prime is 3212322119. The next prime is 3212322167. The reversal of 3212322121 is 1212232123.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2663076025 + 549246096 = 51605^2 + 23436^2 .

It is a cyclic number.

It is not a de Polignac number, because 3212322121 - 2¹ = 3212322119 is a prime.

Together with 3212322119, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (3212322821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1606161060 + 1606161061.

It is an arithmetic number, because the mean of its divisors is an integer number (1606161061).

Almost surely, 2^3212322121 is an apocalyptic number.

It is an amenable number.

3212322121 is a deficient number, since it is larger than the sum of its proper divisors (1).

3212322121 is an equidigital number, since it uses as much as digits as its factorization.

3212322121 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 288, while the sum is 19.

The square root of 3212322121 is about 56677.3510407817. The cubic root of 3212322121 is about 1475.5016385883.

Adding to 3212322121 its reverse (1212232123), we get a palindrome (4424554244).

The spelling of 3212322121 in words is "three billion, two hundred twelve million, three hundred twenty-two thousand, one hundred twenty-one".