12271110823 has 2 divisors, whose sum is σ = 12271110824. Its totient is φ = 12271110822.

The previous prime is 12271110793. The next prime is 12271110883. The reversal of 12271110823 is 32801117221.

It is a weak prime.

It is an emirp because it is prime and its reverse (32801117221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12271110823 - 2⁹ = 12271110311 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12271110791 and 12271110800.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12271110883) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6135555411 + 6135555412.

It is an arithmetic number, because the mean of its divisors is an integer number (6135555412).

Almost surely, 2^12271110823 is an apocalyptic number.

12271110823 is a deficient number, since it is larger than the sum of its proper divisors (1).

12271110823 is an equidigital number, since it uses as much as digits as its factorization.

12271110823 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1344, while the sum is 28.

The spelling of 12271110823 in words is "twelve billion, two hundred seventy-one million, one hundred ten thousand, eight hundred twenty-three".