12020020220017 has 2 divisors, whose sum is σ = 12020020220018. Its totient is φ = 12020020220016.

The previous prime is 12020020220003. The next prime is 12020020220029. The reversal of 12020020220017 is 71002202002021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9844634163456 + 2175386056561 = 3137616^2 + 1474919^2 .

It is a cyclic number.

It is not a de Polignac number, because 12020020220017 - 2¹⁹ = 12020019695729 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12020020219976 and 12020020220003.

It is not a weakly prime, because it can be changed into another prime (12020020220077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6010010110008 + 6010010110009.

It is an arithmetic number, because the mean of its divisors is an integer number (6010010110009).

Almost surely, 2^{12020020220017} is an apocalyptic number.

It is an amenable number.

12020020220017 is a deficient number, since it is larger than the sum of its proper divisors (1).

12020020220017 is an equidigital number, since it uses as much as digits as its factorization.

12020020220017 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 224, while the sum is 19.

Adding to 12020020220017 its reverse (71002202002021), we get a palindrome (83022222222038).

The spelling of 12020020220017 in words is "twelve trillion, twenty billion, twenty million, two hundred twenty thousand, seventeen".