12003100020017 has 2 divisors, whose sum is σ = 12003100020018. Its totient is φ = 12003100020016.

The previous prime is 12003100020011. The next prime is 12003100020049. The reversal of 12003100020017 is 71002000130021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11694546433441 + 308553586576 = 3419729^2 + 555476^2 .

It is a cyclic number.

It is not a de Polignac number, because 12003100020017 - 2³⁴ = 11985920150833 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12003100019977 and 12003100020004.

It is not a weakly prime, because it can be changed into another prime (12003100020011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6001550010008 + 6001550010009.

It is an arithmetic number, because the mean of its divisors is an integer number (6001550010009).

Almost surely, 2^{12003100020017} is an apocalyptic number.

It is an amenable number.

12003100020017 is a deficient number, since it is larger than the sum of its proper divisors (1).

12003100020017 is an equidigital number, since it uses as much as digits as its factorization.

12003100020017 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 84, while the sum is 17.

Adding to 12003100020017 its reverse (71002000130021), we get a palindrome (83005100150038).

The spelling of 12003100020017 in words is "twelve trillion, three billion, one hundred million, twenty thousand, seventeen".