12320101311 has 24 divisors (see below), whose sum is σ = 19112929920. Its totient is φ = 7038510192.

The previous prime is 12320101279. The next prime is 12320101327. The reversal of 12320101311 is 11310102321.

It is a happy number.

It is not a de Polignac number, because 12320101311 - 2⁵ = 12320101279 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12320101351) 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 in 23 ways as a sum of consecutive naturals, for example, 1197190 + ... + 1207436.

It is an arithmetic number, because the mean of its divisors is an integer number (796372080).

Almost surely, 2^12320101311 is an apocalyptic number.

12320101311 is a deficient number, since it is larger than the sum of its proper divisors (6792828609).

12320101311 is a wasteful number, since it uses less digits than its factorization.

12320101311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18443 (or 18436 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 12320101311 its reverse (11310102321), we get a palindrome (23630203632).

It can be divided in two parts, 1232010 and 1311, that added together give a palindrome (1233321).

The spelling of 12320101311 in words is "twelve billion, three hundred twenty million, one hundred one thousand, three hundred eleven".