12320320011 has 16 divisors (see below), whose sum is σ = 16656777216. Its totient is φ = 8098767936.

The previous prime is 12320319961. The next prime is 12320320027. The reversal of 12320320011 is 11002302321.

12320320011 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12320320011 - 2⁹ = 12320319499 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12320320091) 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 in 15 ways as a sum of consecutive naturals, for example, 1200046 + ... + 1210268.

It is an arithmetic number, because the mean of its divisors is an integer number (1041048576).

Almost surely, 2^12320320011 is an apocalyptic number.

12320320011 is a deficient number, since it is larger than the sum of its proper divisors (4336457205).

12320320011 is a wasteful number, since it uses less digits than its factorization.

12320320011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15802.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 12320320011 its reverse (11002302321), we get a palindrome (23322622332).

The spelling of 12320320011 in words is "twelve billion, three hundred twenty million, three hundred twenty thousand, eleven".