12112201122187 has 2 divisors, whose sum is σ = 12112201122188. Its totient is φ = 12112201122186.

The previous prime is 12112201122163. The next prime is 12112201122211. The reversal of 12112201122187 is 78122110221121.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (12112201122163) and next prime (12112201122211).

It is an emirp because it is prime and its reverse (78122110221121) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12112201122187 is a prime.

It is not a weakly prime, because it can be changed into another prime (12112201122157) 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, 6056100561093 + 6056100561094.

It is an arithmetic number, because the mean of its divisors is an integer number (6056100561094).

Almost surely, 2^{12112201122187} is an apocalyptic number.

12112201122187 is a deficient number, since it is larger than the sum of its proper divisors (1).

12112201122187 is an equidigital number, since it uses as much as digits as its factorization.

12112201122187 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1792, while the sum is 31.

The spelling of 12112201122187 in words is "twelve trillion, one hundred twelve billion, two hundred one million, one hundred twenty-two thousand, one hundred eighty-seven".