12112002021071 has 2 divisors, whose sum is σ = 12112002021072. Its totient is φ = 12112002021070.

The previous prime is 12112002021047. The next prime is 12112002021083. The reversal of 12112002021071 is 17012020021121.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12112002021071 - 2³⁴ = 12094822151887 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12112002011071) 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, 6056001010535 + 6056001010536.

It is an arithmetic number, because the mean of its divisors is an integer number (6056001010536).

Almost surely, 2^{12112002021071} is an apocalyptic number.

12112002021071 is a deficient number, since it is larger than the sum of its proper divisors (1).

12112002021071 is an equidigital number, since it uses as much as digits as its factorization.

12112002021071 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 12112002021071 its reverse (17012020021121), we get a palindrome (29124022042192).

The spelling of 12112002021071 in words is "twelve trillion, one hundred twelve billion, two million, twenty-one thousand, seventy-one".