1206000217 has 2 divisors, whose sum is σ = 1206000218. Its totient is φ = 1206000216.

The previous prime is 1206000203. The next prime is 1206000221. The reversal of 1206000217 is 7120006021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1200691801 + 5308416 = 34651^2 + 2304^2 .

It is a cyclic number.

It is not a de Polignac number, because 1206000217 - 2²⁷ = 1071782489 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1206000194 and 1206000203.

It is not a weakly prime, because it can be changed into another prime (1206000287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 603000108 + 603000109.

It is an arithmetic number, because the mean of its divisors is an integer number (603000109).

Almost surely, 2^1206000217 is an apocalyptic number.

It is an amenable number.

1206000217 is a deficient number, since it is larger than the sum of its proper divisors (1).

1206000217 is an equidigital number, since it uses as much as digits as its factorization.

1206000217 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 168, while the sum is 19.

The square root of 1206000217 is about 34727.5138326947. The cubic root of 1206000217 is about 1064.4267869829.

Adding to 1206000217 its reverse (7120006021), we get a palindrome (8326006238).

The spelling of 1206000217 in words is "one billion, two hundred six million, two hundred seventeen", and thus it is an aban number.