12113111312303 has 4 divisors (see below), whose sum is σ = 12440492699160. Its totient is φ = 11785729925448.

The previous prime is 12113111312221. The next prime is 12113111312359. The reversal of 12113111312303 is 30321311131121.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12113111312303 - 2²⁸ = 12112842876847 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12113111312383) 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 3 ways as a sum of consecutive naturals, for example, 163690693373 + ... + 163690693446.

It is an arithmetic number, because the mean of its divisors is an integer number (3110123174790).

Almost surely, 2^{12113111312303} is an apocalyptic number.

12113111312303 is a deficient number, since it is larger than the sum of its proper divisors (327381386857).

12113111312303 is an equidigital number, since it uses as much as digits as its factorization.

12113111312303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 327381386856.

The product of its (nonzero) digits is 324, while the sum is 23.

Adding to 12113111312303 its reverse (30321311131121), we get a palindrome (42434422443424).

The spelling of 12113111312303 in words is "twelve trillion, one hundred thirteen billion, one hundred eleven million, three hundred twelve thousand, three hundred three".