120210211217 has 2 divisors, whose sum is σ = 120210211218. Its totient is φ = 120210211216.

The previous prime is 120210211127. The next prime is 120210211267. The reversal of 120210211217 is 712112012021.

It is a happy number.

Together with previous prime (120210211127) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 119218968961 + 991242256 = 345281^2 + 31484^2 .

It is a cyclic number.

It is not a de Polignac number, because 120210211217 - 2¹⁰ = 120210210193 is a prime.

It is not a weakly prime, because it can be changed into another prime (120210211267) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60105105608 + 60105105609.

It is an arithmetic number, because the mean of its divisors is an integer number (60105105609).

Almost surely, 2^120210211217 is an apocalyptic number.

It is an amenable number.

120210211217 is a deficient number, since it is larger than the sum of its proper divisors (1).

120210211217 is an equidigital number, since it uses as much as digits as its factorization.

120210211217 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 112, while the sum is 20.

Adding to 120210211217 its reverse (712112012021), we get a palindrome (832322223238).

The spelling of 120210211217 in words is "one hundred twenty billion, two hundred ten million, two hundred eleven thousand, two hundred seventeen".