12320111013 has 32 divisors (see below), whose sum is σ = 19470777600. Its totient is φ = 6924617280.

The previous prime is 12320110991. The next prime is 12320111051. The reversal of 12320111013 is 31011102321.

It is a happy number.

It is not a de Polignac number, because 12320111013 - 2⁵ = 12320110981 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12320110983 and 12320111001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12320111213) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 35370 + ... + 160907.

It is an arithmetic number, because the mean of its divisors is an integer number (608461800).

Almost surely, 2^12320111013 is an apocalyptic number.

It is an amenable number.

12320111013 is a deficient number, since it is larger than the sum of its proper divisors (7150666587).

12320111013 is an equidigital number, since it uses as much as digits as its factorization.

12320111013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196362 (or 196348 counting only the distinct ones).

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

Adding to 12320111013 its reverse (31011102321), we get a palindrome (43331213334).

The spelling of 12320111013 in words is "twelve billion, three hundred twenty million, one hundred eleven thousand, thirteen".