323212203111209 has 2 divisors, whose sum is σ = 323212203111210. Its totient is φ = 323212203111208.

The previous prime is 323212203111199. The next prime is 323212203111353. The reversal of 323212203111209 is 902111302212323.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 319106311421209 + 4105891690000 = 17863547^2 + 2026300^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-323212203111209 is a prime.

It is a super-2 number, since 2×323212203111209² (a number of 30 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (323212203161209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 161606101555604 + 161606101555605.

It is an arithmetic number, because the mean of its divisors is an integer number (161606101555605).

Almost surely, 2^{323212203111209} is an apocalyptic number.

It is an amenable number.

323212203111209 is a deficient number, since it is larger than the sum of its proper divisors (1).

323212203111209 is an equidigital number, since it uses as much as digits as its factorization.

323212203111209 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7776, while the sum is 32.

The spelling of 323212203111209 in words is "three hundred twenty-three trillion, two hundred twelve billion, two hundred three million, one hundred eleven thousand, two hundred nine".