1222209696913 has 2 divisors, whose sum is σ = 1222209696914. Its totient is φ = 1222209696912.

The previous prime is 1222209696857. The next prime is 1222209696919. The reversal of 1222209696913 is 3196969022221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 837056648464 + 385153048449 = 914908^2 + 620607^2 .

It is a cyclic number.

It is not a de Polignac number, because 1222209696913 - 2⁹ = 1222209696401 is a prime.

It is not a weakly prime, because it can be changed into another prime (1222209696919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611104848456 + 611104848457.

It is an arithmetic number, because the mean of its divisors is an integer number (611104848457).

Almost surely, 2^{1222209696913} is an apocalyptic number.

It is an amenable number.

1222209696913 is a deficient number, since it is larger than the sum of its proper divisors (1).

1222209696913 is an equidigital number, since it uses as much as digits as its factorization.

1222209696913 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1259712, while the sum is 52.

The spelling of 1222209696913 in words is "one trillion, two hundred twenty-two billion, two hundred nine million, six hundred ninety-six thousand, nine hundred thirteen".