240112217 has 2 divisors, whose sum is σ = 240112218. Its totient is φ = 240112216.

The previous prime is 240112193. The next prime is 240112219. The reversal of 240112217 is 712211042.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 127667401 + 112444816 = 11299^2 + 10604^2 .

It is a cyclic number.

It is not a de Polignac number, because 240112217 - 2⁶ = 240112153 is a prime.

Together with 240112219, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (240112219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120056108 + 120056109.

It is an arithmetic number, because the mean of its divisors is an integer number (120056109).

Almost surely, 2^240112217 is an apocalyptic number.

It is an amenable number.

240112217 is a deficient number, since it is larger than the sum of its proper divisors (1).

240112217 is an equidigital number, since it uses as much as digits as its factorization.

240112217 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 224, while the sum is 20.

The square root of 240112217 is about 15495.5547496693. The cubic root of 240112217 is about 621.5433428517.

Adding to 240112217 its reverse (712211042), we get a palindrome (952323259).

The spelling of 240112217 in words is "two hundred forty million, one hundred twelve thousand, two hundred seventeen".