1222103010209 has 2 divisors, whose sum is σ = 1222103010210. Its totient is φ = 1222103010208.

The previous prime is 1222103010187. The next prime is 1222103010241. The reversal of 1222103010209 is 9020103012221.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 898188361984 + 323914648225 = 947728^2 + 569135^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1222103010209 is a prime.

It is not a weakly prime, because it can be changed into another prime (1222103010809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611051505104 + 611051505105.

It is an arithmetic number, because the mean of its divisors is an integer number (611051505105).

Almost surely, 2^{1222103010209} is an apocalyptic number.

It is an amenable number.

1222103010209 is a deficient number, since it is larger than the sum of its proper divisors (1).

1222103010209 is an equidigital number, since it uses as much as digits as its factorization.

1222103010209 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 23.

The spelling of 1222103010209 in words is "one trillion, two hundred twenty-two billion, one hundred three million, ten thousand, two hundred nine".