12320111071 has 2 divisors, whose sum is σ = 12320111072. Its totient is φ = 12320111070.

The previous prime is 12320111057. The next prime is 12320111077. The reversal of 12320111071 is 17011102321.

It is a strong prime.

It is an emirp because it is prime and its reverse (17011102321) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12320111071 - 2⁹ = 12320110559 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12320111077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6160055535 + 6160055536.

It is an arithmetic number, because the mean of its divisors is an integer number (6160055536).

Almost surely, 2^12320111071 is an apocalyptic number.

12320111071 is a deficient number, since it is larger than the sum of its proper divisors (1).

12320111071 is an equidigital number, since it uses as much as digits as its factorization.

12320111071 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 84, while the sum is 19.

Adding to 12320111071 its reverse (17011102321), we get a palindrome (29331213392).

The spelling of 12320111071 in words is "twelve billion, three hundred twenty million, one hundred eleven thousand, seventy-one".