12112002021017 has 2 divisors, whose sum is σ = 12112002021018. Its totient is φ = 12112002021016.

The previous prime is 12112002020977. The next prime is 12112002021037. The reversal of 12112002021017 is 71012020021121.

It is a happy number.

It is an a-pointer prime, because the next prime (12112002021037) can be obtained adding 12112002021017 to its sum of digits (20).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11160169587856 + 951832433161 = 3340684^2 + 975619^2 .

It is a cyclic number.

It is not a de Polignac number, because 12112002021017 - 2¹⁸ = 12112001758873 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12112002021017.

It is not a weakly prime, because it can be changed into another prime (12112002021037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6056001010508 + 6056001010509.

It is an arithmetic number, because the mean of its divisors is an integer number (6056001010509).

Almost surely, 2^{12112002021017} is an apocalyptic number.

It is an amenable number.

12112002021017 is a deficient number, since it is larger than the sum of its proper divisors (1).

12112002021017 is an equidigital number, since it uses as much as digits as its factorization.

12112002021017 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 20.

Adding to 12112002021017 its reverse (71012020021121), we get a palindrome (83124022042138).

The spelling of 12112002021017 in words is "twelve trillion, one hundred twelve billion, two million, twenty-one thousand, seventeen".