120112217 has 2 divisors, whose sum is σ = 120112218. Its totient is φ = 120112216.

The previous prime is 120112193. The next prime is 120112253. The reversal of 120112217 is 712211021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 102839881 + 17272336 = 10141^2 + 4156^2 .

It is a cyclic number.

It is not a de Polignac number, because 120112217 - 2²² = 115917913 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 120112195 and 120112204.

It is not a weakly prime, because it can be changed into another prime (120118217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60056108 + 60056109.

It is an arithmetic number, because the mean of its divisors is an integer number (60056109).

Almost surely, 2^120112217 is an apocalyptic number.

It is an amenable number.

120112217 is a deficient number, since it is larger than the sum of its proper divisors (1).

120112217 is an equidigital number, since it uses as much as digits as its factorization.

120112217 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 56, while the sum is 17.

The square root of 120112217 is about 10959.5719350712. The cubic root of 120112217 is about 493.3961174761.

Adding to 120112217 its reverse (712211021), we get a palindrome (832323238).

The spelling of 120112217 in words is "one hundred twenty million, one hundred twelve thousand, two hundred seventeen".