3212311012121 has 2 divisors, whose sum is σ = 3212311012122. Its totient is φ = 3212311012120.

The previous prime is 3212311012021. The next prime is 3212311012123. The reversal of 3212311012121 is 1212101132123.

3212311012121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2389188490000 + 823122522121 = 1545700^2 + 907261^2 .

It is a cyclic number.

It is not a de Polignac number, because 3212311012121 - 2³⁸ = 2937433105177 is a prime.

It is a Sophie Germain prime.

Together with 3212311012123, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 3212311012093 and 3212311012102.

It is not a weakly prime, because it can be changed into another prime (3212311012123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1606155506060 + 1606155506061.

It is an arithmetic number, because the mean of its divisors is an integer number (1606155506061).

Almost surely, 2^{3212311012121} is an apocalyptic number.

It is an amenable number.

3212311012121 is a deficient number, since it is larger than the sum of its proper divisors (1).

3212311012121 is an equidigital number, since it uses as much as digits as its factorization.

3212311012121 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 20.

Adding to 3212311012121 its reverse (1212101132123), we get a palindrome (4424412144244).

The spelling of 3212311012121 in words is "three trillion, two hundred twelve billion, three hundred eleven million, twelve thousand, one hundred twenty-one".