12320003112 has 64 divisors (see below), whose sum is σ = 31116441600. Its totient is φ = 4064548800.

The previous prime is 12320003093. The next prime is 12320003131. The reversal of 12320003112 is 21130002321.

It is an interprime number because it is at equal distance from previous prime (12320003093) and next prime (12320003131).

It is a junction number, because it is equal to n+sod(n) for n = 12320003091 and 12320003100.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5008939 + ... + 5011397.

It is an arithmetic number, because the mean of its divisors is an integer number (486194400).

Almost surely, 2^12320003112 is an apocalyptic number.

12320003112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12320003112 is an abundant number, since it is smaller than the sum of its proper divisors (18796438488).

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

12320003112 is a wasteful number, since it uses less digits than its factorization.

12320003112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4526 (or 4522 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 12320003112 its reverse (21130002321), we get a palindrome (33450005433).

The spelling of 12320003112 in words is "twelve billion, three hundred twenty million, three thousand, one hundred twelve".