12340314320 has 80 divisors (see below), whose sum is σ = 29750060160. Its totient is φ = 4754760192.

The previous prime is 12340314317. The next prime is 12340314323. The reversal of 12340314320 is 2341304321.

It is an interprime number because it is at equal distance from previous prime (12340314317) and next prime (12340314323).

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12340314323) 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, 1021757 + ... + 1033763.

It is an arithmetic number, because the mean of its divisors is an integer number (371875752).

Almost surely, 2^12340314320 is an apocalyptic number.

12340314320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12340314320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14875030080).

12340314320 is an abundant number, since it is smaller than the sum of its proper divisors (17409745840).

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

12340314320 is a wasteful number, since it uses less digits than its factorization.

12340314320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12492 (or 12486 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 12340314320 its reverse (2341304321), we get a palindrome (14681618641).

Subtracting from 12340314320 its reverse (2341304321), we obtain a palindrome (9999009999).

The spelling of 12340314320 in words is "twelve billion, three hundred forty million, three hundred fourteen thousand, three hundred twenty".