2120000017 has 2 divisors, whose sum is σ = 2120000018. Its totient is φ = 2120000016.

The previous prime is 2119999919. The next prime is 2120000023. The reversal of 2120000017 is 7100000212.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1474636801 + 645363216 = 38401^2 + 25404^2 .

It is a cyclic number.

It is not a de Polignac number, because 2120000017 - 2¹¹ = 2119997969 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2119999961 and 2120000006.

It is not a weakly prime, because it can be changed into another prime (2120000417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1060000008 + 1060000009.

It is an arithmetic number, because the mean of its divisors is an integer number (1060000009).

Almost surely, 2^2120000017 is an apocalyptic number.

It is an amenable number.

2120000017 is a deficient number, since it is larger than the sum of its proper divisors (1).

2120000017 is an equidigital number, since it uses as much as digits as its factorization.

2120000017 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 28, while the sum is 13.

The square root of 2120000017 is about 46043.4579174936. The cubic root of 2120000017 is about 1284.6316611462.

Adding to 2120000017 its reverse (7100000212), we get a palindrome (9220000229).

The spelling of 2120000017 in words is "two billion, one hundred twenty million, seventeen", and thus it is an aban number.