12012220001017 has 2 divisors, whose sum is σ = 12012220001018. Its totient is φ = 12012220001016.

The previous prime is 12012220001003. The next prime is 12012220001053. The reversal of 12012220001017 is 71010002221021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11620981009936 + 391238991081 = 3408956^2 + 625491^2 .

It is a cyclic number.

It is not a de Polignac number, because 12012220001017 - 2¹⁹ = 12012219476729 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12012220000985 and 12012220001003.

It is not a weakly prime, because it can be changed into another prime (12012220001057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6006110000508 + 6006110000509.

It is an arithmetic number, because the mean of its divisors is an integer number (6006110000509).

Almost surely, 2^{12012220001017} is an apocalyptic number.

It is an amenable number.

12012220001017 is a deficient number, since it is larger than the sum of its proper divisors (1).

12012220001017 is an equidigital number, since it uses as much as digits as its factorization.

12012220001017 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 112, while the sum is 19.

Adding to 12012220001017 its reverse (71010002221021), we get a palindrome (83022222222038).

The spelling of 12012220001017 in words is "twelve trillion, twelve billion, two hundred twenty million, one thousand, seventeen".