12321314112 has 56 divisors (see below), whose sum is σ = 32609389696. Its totient is φ = 4105939968.

The previous prime is 12321314101. The next prime is 12321314113. The reversal of 12321314112 is 21141312321.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12321314113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 911628 + ... + 925044.

Almost surely, 2^12321314112 is an apocalyptic number.

12321314112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12321314112 is an abundant number, since it is smaller than the sum of its proper divisors (20288075584).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12321314112 is a wasteful number, since it uses less digits than its factorization.

12321314112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18215 (or 18205 counting only the distinct ones).

The product of its digits is 288, while the sum is 21.

Adding to 12321314112 its reverse (21141312321), we get a palindrome (33462626433).

The spelling of 12321314112 in words is "twelve billion, three hundred twenty-one million, three hundred fourteen thousand, one hundred twelve".