12100122012191 has 2 divisors, whose sum is σ = 12100122012192. Its totient is φ = 12100122012190.

The previous prime is 12100122012149. The next prime is 12100122012239. The reversal of 12100122012191 is 19121022100121.

It is a happy number.

12100122012191 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12100122012191 - 2¹⁰ = 12100122011167 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12100122012691) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6050061006095 + 6050061006096.

It is an arithmetic number, because the mean of its divisors is an integer number (6050061006096).

Almost surely, 2^{12100122012191} is an apocalyptic number.

12100122012191 is a deficient number, since it is larger than the sum of its proper divisors (1).

12100122012191 is an equidigital number, since it uses as much as digits as its factorization.

12100122012191 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 23.

The spelling of 12100122012191 in words is "twelve trillion, one hundred billion, one hundred twenty-two million, twelve thousand, one hundred ninety-one".