1320222120017 has 2 divisors, whose sum is σ = 1320222120018. Its totient is φ = 1320222120016.

The previous prime is 1320222120011. The next prime is 1320222120023. The reversal of 1320222120017 is 7100212220231.

It is a balanced prime because it is at equal distance from previous prime (1320222120011) and next prime (1320222120023).

It can be written as a sum of positive squares in only one way, i.e., 832621575361 + 487600544656 = 912481^2 + 698284^2 .

It is a cyclic number.

It is not a de Polignac number, because 1320222120017 - 2⁸ = 1320222119761 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1320222119974 and 1320222120001.

It is not a weakly prime, because it can be changed into another prime (1320222120011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 660111060008 + 660111060009.

It is an arithmetic number, because the mean of its divisors is an integer number (660111060009).

Almost surely, 2^{1320222120017} is an apocalyptic number.

It is an amenable number.

1320222120017 is a deficient number, since it is larger than the sum of its proper divisors (1).

1320222120017 is an equidigital number, since it uses as much as digits as its factorization.

1320222120017 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 672, while the sum is 23.

Adding to 1320222120017 its reverse (7100212220231), we get a palindrome (8420434340248).

The spelling of 1320222120017 in words is "one trillion, three hundred twenty billion, two hundred twenty-two million, one hundred twenty thousand, seventeen".