200212122017 has 2 divisors, whose sum is σ = 200212122018. Its totient is φ = 200212122016.

The previous prime is 200212121981. The next prime is 200212122163. The reversal of 200212122017 is 710221212002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 199794696256 + 417425761 = 446984^2 + 20431^2 .

It is a cyclic number.

It is not a de Polignac number, because 200212122017 - 2¹⁰ = 200212120993 is a prime.

It is a super-2 number, since 2×200212122017² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 200212122017.

It is not a weakly prime, because it can be changed into another prime (200212142017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100106061008 + 100106061009.

It is an arithmetic number, because the mean of its divisors is an integer number (100106061009).

Almost surely, 2^200212122017 is an apocalyptic number.

It is an amenable number.

200212122017 is a deficient number, since it is larger than the sum of its proper divisors (1).

200212122017 is an equidigital number, since it uses as much as digits as its factorization.

200212122017 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 224, while the sum is 20.

Adding to 200212122017 its reverse (710221212002), we get a palindrome (910433334019).

The spelling of 200212122017 in words is "two hundred billion, two hundred twelve million, one hundred twenty-two thousand, seventeen".