120202217 has 2 divisors, whose sum is σ = 120202218. Its totient is φ = 120202216.

The previous prime is 120202193. The next prime is 120202249. The reversal of 120202217 is 712202021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 83466496 + 36735721 = 9136^2 + 6061^2 .

It is a cyclic number.

It is not a de Polignac number, because 120202217 - 2⁶ = 120202153 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 120202195 and 120202204.

It is not a weakly prime, because it can be changed into another prime (120202267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60101108 + 60101109.

It is an arithmetic number, because the mean of its divisors is an integer number (60101109).

Almost surely, 2^120202217 is an apocalyptic number.

It is an amenable number.

120202217 is a deficient number, since it is larger than the sum of its proper divisors (1).

120202217 is an equidigital number, since it uses as much as digits as its factorization.

120202217 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 112, while the sum is 17.

The square root of 120202217 is about 10963.6771659877. The cubic root of 120202217 is about 493.5193204976.

Adding to 120202217 its reverse (712202021), we get a palindrome (832404238).

The spelling of 120202217 in words is "one hundred twenty million, two hundred two thousand, two hundred seventeen".