12020000017 has 2 divisors, whose sum is σ = 12020000018. Its totient is φ = 12020000016.

The previous prime is 12019999933. The next prime is 12020000023. The reversal of 12020000017 is 71000002021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7181545536 + 4838454481 = 84744^2 + 69559^2 .

It is a cyclic number.

It is not a de Polignac number, because 12020000017 - 2¹⁹ = 12019475729 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12019999961 and 12020000006.

It is not a weakly prime, because it can be changed into another prime (12020000087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6010000008 + 6010000009.

It is an arithmetic number, because the mean of its divisors is an integer number (6010000009).

Almost surely, 2^12020000017 is an apocalyptic number.

It is an amenable number.

12020000017 is a deficient number, since it is larger than the sum of its proper divisors (1).

12020000017 is an equidigital number, since it uses as much as digits as its factorization.

12020000017 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 28, while the sum is 13.

Adding to 12020000017 its reverse (71000002021), we get a palindrome (83020002038).

The spelling of 12020000017 in words is "twelve billion, twenty million, seventeen", and thus it is an aban number and an uban number.