3212266121 has 2 divisors, whose sum is σ = 3212266122. Its totient is φ = 3212266120.

The previous prime is 3212266091. The next prime is 3212266129. The reversal of 3212266121 is 1216622123.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2409337225 + 802928896 = 49085^2 + 28336^2 .

It is a cyclic number.

It is not a de Polignac number, because 3212266121 - 2¹⁰ = 3212265097 is a prime.

It is not a weakly prime, because it can be changed into another prime (3212266129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1606133060 + 1606133061.

It is an arithmetic number, because the mean of its divisors is an integer number (1606133061).

Almost surely, 2^3212266121 is an apocalyptic number.

It is an amenable number.

3212266121 is a deficient number, since it is larger than the sum of its proper divisors (1).

3212266121 is an equidigital number, since it uses as much as digits as its factorization.

3212266121 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1728, while the sum is 26.

The square root of 3212266121 is about 56676.8570141288. The cubic root of 3212266121 is about 1475.4930644615.

Adding to 3212266121 its reverse (1216622123), we get a palindrome (4428888244).

The spelling of 3212266121 in words is "three billion, two hundred twelve million, two hundred sixty-six thousand, one hundred twenty-one".