3212111009 has 2 divisors, whose sum is σ = 3212111010. Its totient is φ = 3212111008.

The previous prime is 3212110997. The next prime is 3212111017. The reversal of 3212111009 is 9001112123.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2305920400 + 906190609 = 48020^2 + 30103^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3212111009 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (3212111809) 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, 1606055504 + 1606055505.

It is an arithmetic number, because the mean of its divisors is an integer number (1606055505).

Almost surely, 2^3212111009 is an apocalyptic number.

It is an amenable number.

3212111009 is a deficient number, since it is larger than the sum of its proper divisors (1).

3212111009 is an equidigital number, since it uses as much as digits as its factorization.

3212111009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108, while the sum is 20.

The square root of 3212111009 is about 56675.4886083923. The cubic root of 3212111009 is about 1475.4693148347.

The spelling of 3212111009 in words is "three billion, two hundred twelve million, one hundred eleven thousand, nine".