12312341111 has 16 divisors (see below), whose sum is σ = 14368202304. Its totient is φ = 10332831744.

The previous prime is 12312341087. The next prime is 12312341113. The reversal of 12312341111 is 11114321321.

It is a cyclic number.

It is not a de Polignac number, because 12312341111 - 2²⁶ = 12245232247 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 (12312341113) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17930 + ... + 157943.

It is an arithmetic number, because the mean of its divisors is an integer number (898012644).

Almost surely, 2^12312341111 is an apocalyptic number.

12312341111 is a deficient number, since it is larger than the sum of its proper divisors (2055861193).

12312341111 is a wasteful number, since it uses less digits than its factorization.

12312341111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176090.

The product of its digits is 144, while the sum is 20.

Adding to 12312341111 its reverse (11114321321), we get a palindrome (23426662432).

The spelling of 12312341111 in words is "twelve billion, three hundred twelve million, three hundred forty-one thousand, one hundred eleven".