1232220102209 has 2 divisors, whose sum is σ = 1232220102210. Its totient is φ = 1232220102208.

The previous prime is 1232220102181. The next prime is 1232220102233. The reversal of 1232220102209 is 9022010222321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1039013262400 + 193206839809 = 1019320^2 + 439553^2 .

It is an emirp because it is prime and its reverse (9022010222321) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1232220102209 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 (1232220102109) 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, 616110051104 + 616110051105.

It is an arithmetic number, because the mean of its divisors is an integer number (616110051105).

Almost surely, 2^{1232220102209} is an apocalyptic number.

It is an amenable number.

1232220102209 is a deficient number, since it is larger than the sum of its proper divisors (1).

1232220102209 is an equidigital number, since it uses as much as digits as its factorization.

1232220102209 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 26.

The spelling of 1232220102209 in words is "one trillion, two hundred thirty-two billion, two hundred twenty million, one hundred two thousand, two hundred nine".