12351254191 has 2 divisors, whose sum is σ = 12351254192. Its totient is φ = 12351254190.

The previous prime is 12351254189. The next prime is 12351254263. The reversal of 12351254191 is 19145215321.

12351254191 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 12351254191 - 2¹ = 12351254189 is a prime.

Together with 12351254189, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12351254101) 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, 6175627095 + 6175627096.

It is an arithmetic number, because the mean of its divisors is an integer number (6175627096).

Almost surely, 2^12351254191 is an apocalyptic number.

12351254191 is a deficient number, since it is larger than the sum of its proper divisors (1).

12351254191 is an equidigital number, since it uses as much as digits as its factorization.

12351254191 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10800, while the sum is 34.

The spelling of 12351254191 in words is "twelve billion, three hundred fifty-one million, two hundred fifty-four thousand, one hundred ninety-one".