112320312217 has 2 divisors, whose sum is σ = 112320312218. Its totient is φ = 112320312216.

The previous prime is 112320312103. The next prime is 112320312227. The reversal of 112320312217 is 712213023211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 110473805376 + 1846506841 = 332376^2 + 42971^2 .

It is a cyclic number.

It is not a de Polignac number, because 112320312217 - 2¹¹ = 112320310169 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 112320312191 and 112320312200.

It is not a weakly prime, because it can be changed into another prime (112320312227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56160156108 + 56160156109.

It is an arithmetic number, because the mean of its divisors is an integer number (56160156109).

Almost surely, 2^112320312217 is an apocalyptic number.

It is an amenable number.

112320312217 is a deficient number, since it is larger than the sum of its proper divisors (1).

112320312217 is an equidigital number, since it uses as much as digits as its factorization.

112320312217 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1008, while the sum is 25.

Adding to 112320312217 its reverse (712213023211), we get a palindrome (824533335428).

The spelling of 112320312217 in words is "one hundred twelve billion, three hundred twenty million, three hundred twelve thousand, two hundred seventeen".