120312323017 has 2 divisors, whose sum is σ = 120312323018. Its totient is φ = 120312323016.

The previous prime is 120312323011. The next prime is 120312323029. The reversal of 120312323017 is 710323213021.

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., 96628344201 + 23683978816 = 310851^2 + 153896^2 .

It is a cyclic number.

It is not a de Polignac number, because 120312323017 - 2³ = 120312323009 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 120312322982 and 120312323000.

It is not a weakly prime, because it can be changed into another prime (120312323011) 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, 60156161508 + 60156161509.

It is an arithmetic number, because the mean of its divisors is an integer number (60156161509).

Almost surely, 2^120312323017 is an apocalyptic number.

It is an amenable number.

120312323017 is a deficient number, since it is larger than the sum of its proper divisors (1).

120312323017 is an equidigital number, since it uses as much as digits as its factorization.

120312323017 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1512, while the sum is 25.

Adding to 120312323017 its reverse (710323213021), we get a palindrome (830635536038).

The spelling of 120312323017 in words is "one hundred twenty billion, three hundred twelve million, three hundred twenty-three thousand, seventeen".