1222209596813 has 2 divisors, whose sum is σ = 1222209596814. Its totient is φ = 1222209596812.

The previous prime is 1222209596791. The next prime is 1222209596863. The reversal of 1222209596813 is 3186959022221.

It is an a-pointer prime, because the next prime (1222209596863) can be obtained adding 1222209596813 to its sum of digits (50).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1092146223364 + 130063373449 = 1045058^2 + 360643^2 .

It is a cyclic number.

It is not a de Polignac number, because 1222209596813 - 2⁶ = 1222209596749 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1222209596863) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611104798406 + 611104798407.

It is an arithmetic number, because the mean of its divisors is an integer number (611104798407).

Almost surely, 2^{1222209596813} is an apocalyptic number.

It is an amenable number.

1222209596813 is a deficient number, since it is larger than the sum of its proper divisors (1).

1222209596813 is an equidigital number, since it uses as much as digits as its factorization.

1222209596813 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 933120, while the sum is 50.

The spelling of 1222209596813 in words is "one trillion, two hundred twenty-two billion, two hundred nine million, five hundred ninety-six thousand, eight hundred thirteen".