12320201111 has 2 divisors, whose sum is σ = 12320201112. Its totient is φ = 12320201110.

The previous prime is 12320201093. The next prime is 12320201119. The reversal of 12320201111 is 11110202321.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12320201111 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12320201119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6160100555 + 6160100556.

It is an arithmetic number, because the mean of its divisors is an integer number (6160100556).

Almost surely, 2^12320201111 is an apocalyptic number.

12320201111 is a deficient number, since it is larger than the sum of its proper divisors (1).

12320201111 is an equidigital number, since it uses as much as digits as its factorization.

12320201111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 12320201111 its reverse (11110202321), we get a palindrome (23430403432).

The spelling of 12320201111 in words is "twelve billion, three hundred twenty million, two hundred one thousand, one hundred eleven".