201012120017 has 2 divisors, whose sum is σ = 201012120018. Its totient is φ = 201012120016.

The previous prime is 201012120011. The next prime is 201012120041. The reversal of 201012120017 is 710021210102.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 165194286481 + 35817833536 = 406441^2 + 189256^2 .

It is a cyclic number.

It is not a de Polignac number, because 201012120017 - 2³² = 196717152721 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 201012119977 and 201012120004.

It is not a weakly prime, because it can be changed into another prime (201012120011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100506060008 + 100506060009.

It is an arithmetic number, because the mean of its divisors is an integer number (100506060009).

Almost surely, 2^201012120017 is an apocalyptic number.

It is an amenable number.

201012120017 is a deficient number, since it is larger than the sum of its proper divisors (1).

201012120017 is an equidigital number, since it uses as much as digits as its factorization.

201012120017 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.

Adding to 201012120017 its reverse (710021210102), we get a palindrome (911033330119).

The spelling of 201012120017 in words is "two hundred one billion, twelve million, one hundred twenty thousand, seventeen".