120320323217 has 2 divisors, whose sum is σ = 120320323218. Its totient is φ = 120320323216.

The previous prime is 120320323187. The next prime is 120320323247. The reversal of 120320323217 is 712323023021.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (120320323187) and next prime (120320323247).

It can be written as a sum of positive squares in only one way, i.e., 115542887056 + 4777436161 = 339916^2 + 69119^2 .

It is a cyclic number.

It is not a de Polignac number, because 120320323217 - 2¹⁰ = 120320322193 is a prime.

It is not a weakly prime, because it can be changed into another prime (120320323247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60160161608 + 60160161609.

It is an arithmetic number, because the mean of its divisors is an integer number (60160161609).

Almost surely, 2^120320323217 is an apocalyptic number.

It is an amenable number.

120320323217 is a deficient number, since it is larger than the sum of its proper divisors (1).

120320323217 is an equidigital number, since it uses as much as digits as its factorization.

120320323217 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3024, while the sum is 26.

Adding to 120320323217 its reverse (712323023021), we get a palindrome (832643346238).

The spelling of 120320323217 in words is "one hundred twenty billion, three hundred twenty million, three hundred twenty-three thousand, two hundred seventeen".