12112220000077 has 2 divisors, whose sum is σ = 12112220000078. Its totient is φ = 12112220000076.

The previous prime is 12112220000071. The next prime is 12112220000143. The reversal of 12112220000077 is 77000002221121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7439441721156 + 4672778278921 = 2727534^2 + 2161661^2 .

It is a cyclic number.

It is not a de Polignac number, because 12112220000077 - 2⁷ = 12112219999949 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12112220000071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6056110000038 + 6056110000039.

It is an arithmetic number, because the mean of its divisors is an integer number (6056110000039).

Almost surely, 2^{12112220000077} is an apocalyptic number.

It is an amenable number.

12112220000077 is a deficient number, since it is larger than the sum of its proper divisors (1).

12112220000077 is an equidigital number, since it uses as much as digits as its factorization.

12112220000077 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 784, while the sum is 25.

Adding to 12112220000077 its reverse (77000002221121), we get a palindrome (89112222221198).

The spelling of 12112220000077 in words is "twelve trillion, one hundred twelve billion, two hundred twenty million, seventy-seven", and thus it is an aban number.