12320340000 has 120 divisors (see below), whose sum is σ = 40413376080. Its totient is φ = 3285408000.

The previous prime is 12320339987. The next prime is 12320340017. The reversal of 12320340000 is 4302321.

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 42670 + ... + 162669.

It is an arithmetic number, because the mean of its divisors is an integer number (336778134).

Almost surely, 2^12320340000 is an apocalyptic number.

12320340000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12320340000 is an abundant number, since it is smaller than the sum of its proper divisors (28093036080).

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

12320340000 is an equidigital number, since it uses as much as digits as its factorization.

12320340000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205372 (or 205349 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

Adding to 12320340000 its reverse (4302321), we get a palindrome (12324642321).

The spelling of 12320340000 in words is "twelve billion, three hundred twenty million, three hundred forty thousand".