3212215210121 has 2 divisors, whose sum is σ = 3212215210122. Its totient is φ = 3212215210120.

The previous prime is 3212215210103. The next prime is 3212215210129. The reversal of 3212215210121 is 1210125122123.

3212215210121 is digitally balanced in base 3, 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., 3212124217600 + 90992521 = 1792240^2 + 9539^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3212215210121 is a prime.

It is a super-2 number, since 2×3212215210121² (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3212215210129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1606107605060 + 1606107605061.

It is an arithmetic number, because the mean of its divisors is an integer number (1606107605061).

Almost surely, 2^{3212215210121} is an apocalyptic number.

It is an amenable number.

3212215210121 is a deficient number, since it is larger than the sum of its proper divisors (1).

3212215210121 is an equidigital number, since it uses as much as digits as its factorization.

3212215210121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 480, while the sum is 23.

The spelling of 3212215210121 in words is "three trillion, two hundred twelve billion, two hundred fifteen million, two hundred ten thousand, one hundred twenty-one".