112321123217 has 2 divisors, whose sum is σ = 112321123218. Its totient is φ = 112321123216.

The previous prime is 112321123207. The next prime is 112321123237. The reversal of 112321123217 is 712321123211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 84872586241 + 27448536976 = 291329^2 + 165676^2 .

It is an emirp because it is prime and its reverse (712321123211) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 112321123217 - 2⁶ = 112321123153 is a prime.

It is not a weakly prime, because it can be changed into another prime (112321123207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56160561608 + 56160561609.

It is an arithmetic number, because the mean of its divisors is an integer number (56160561609).

Almost surely, 2^112321123217 is an apocalyptic number.

It is an amenable number.

112321123217 is a deficient number, since it is larger than the sum of its proper divisors (1).

112321123217 is an equidigital number, since it uses as much as digits as its factorization.

112321123217 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1008, while the sum is 26.

Adding to 112321123217 its reverse (712321123211), we get a palindrome (824642246428).

The spelling of 112321123217 in words is "one hundred twelve billion, three hundred twenty-one million, one hundred twenty-three thousand, two hundred seventeen".