3312312121 has 2 divisors, whose sum is σ = 3312312122. Its totient is φ = 3312312120.

The previous prime is 3312312109. The next prime is 3312312131. The reversal of 3312312121 is 1212132133.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3007425600 + 304886521 = 54840^2 + 17461^2 .

It is a cyclic number.

It is not a de Polignac number, because 3312312121 - 2¹⁷ = 3312181049 is a prime.

It is not a weakly prime, because it can be changed into another prime (3312312131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1656156060 + 1656156061.

It is an arithmetic number, because the mean of its divisors is an integer number (1656156061).

Almost surely, 2^3312312121 is an apocalyptic number.

It is an amenable number.

3312312121 is a deficient number, since it is larger than the sum of its proper divisors (1).

3312312121 is an equidigital number, since it uses as much as digits as its factorization.

3312312121 is an evil number, because the sum of its binary digits is even.

The product of its digits is 216, while the sum is 19.

The square root of 3312312121 is about 57552.6899545104. The cubic root of 3312312121 is about 1490.6548059567.

Adding to 3312312121 its reverse (1212132133), we get a palindrome (4524444254).

The spelling of 3312312121 in words is "three billion, three hundred twelve million, three hundred twelve thousand, one hundred twenty-one".