12120101222191 has 2 divisors, whose sum is σ = 12120101222192. Its totient is φ = 12120101222190.

The previous prime is 12120101222179. The next prime is 12120101222237. The reversal of 12120101222191 is 19122210102121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12120101222191 - 2¹³ = 12120101213999 is a prime.

It is a super-3 number, since 3×12120101222191³ (a number of 40 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12120101222101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6060050611095 + 6060050611096.

It is an arithmetic number, because the mean of its divisors is an integer number (6060050611096).

Almost surely, 2^{12120101222191} is an apocalyptic number.

12120101222191 is a deficient number, since it is larger than the sum of its proper divisors (1).

12120101222191 is an equidigital number, since it uses as much as digits as its factorization.

12120101222191 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 25.

The spelling of 12120101222191 in words is "twelve trillion, one hundred twenty billion, one hundred one million, two hundred twenty-two thousand, one hundred ninety-one".