120017065217 has 16 divisors (see below), whose sum is σ = 144481996800. Its totient is φ = 97389585360.

The previous prime is 120017065199. The next prime is 120017065241. The reversal of 120017065217 is 712560710021.

It is a cyclic number.

It is not a de Polignac number, because 120017065217 - 2⁸ = 120017064961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120017065277) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 122159 + ... + 504932.

It is an arithmetic number, because the mean of its divisors is an integer number (9030124800).

Almost surely, 2^120017065217 is an apocalyptic number.

It is an amenable number.

120017065217 is a deficient number, since it is larger than the sum of its proper divisors (24464931583).

120017065217 is a wasteful number, since it uses less digits than its factorization.

120017065217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 628556.

The product of its (nonzero) digits is 5880, while the sum is 32.

Adding to 120017065217 its reverse (712560710021), we get a palindrome (832577775238).

The spelling of 120017065217 in words is "one hundred twenty billion, seventeen million, sixty-five thousand, two hundred seventeen".