2012001217 has 2 divisors, whose sum is σ = 2012001218. Its totient is φ = 2012001216.

The previous prime is 2012001209. The next prime is 2012001227. The reversal of 2012001217 is 7121002102.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1442176576 + 569824641 = 37976^2 + 23871^2 .

It is a cyclic number.

It is not a de Polignac number, because 2012001217 - 2³ = 2012001209 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2012001217.

It is not a weakly prime, because it can be changed into another prime (2012001227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1006000608 + 1006000609.

It is an arithmetic number, because the mean of its divisors is an integer number (1006000609).

Almost surely, 2^2012001217 is an apocalyptic number.

It is an amenable number.

2012001217 is a deficient number, since it is larger than the sum of its proper divisors (1).

2012001217 is an equidigital number, since it uses as much as digits as its factorization.

2012001217 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 56, while the sum is 16.

The square root of 2012001217 is about 44855.3365498466. The cubic root of 2012001217 is about 1262.4361235793.

Adding to 2012001217 its reverse (7121002102), we get a palindrome (9133003319).

The spelling of 2012001217 in words is "two billion, twelve million, one thousand, two hundred seventeen".