212302010191 has 2 divisors, whose sum is σ = 212302010192. Its totient is φ = 212302010190.

The previous prime is 212302010189. The next prime is 212302010257. The reversal of 212302010191 is 191010203212.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 212302010191 - 2¹ = 212302010189 is a prime.

It is a super-2 number, since 2×212302010191² (a number of 23 digits) contains 22 as substring.

Together with 212302010189, 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 (212302010161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106151005095 + 106151005096.

It is an arithmetic number, because the mean of its divisors is an integer number (106151005096).

Almost surely, 2^212302010191 is an apocalyptic number.

212302010191 is a deficient number, since it is larger than the sum of its proper divisors (1).

212302010191 is an equidigital number, since it uses as much as digits as its factorization.

212302010191 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 22.

The spelling of 212302010191 in words is "two hundred twelve billion, three hundred two million, ten thousand, one hundred ninety-one".