12320140100 has 72 divisors (see below), whose sum is σ = 27179385408. Its totient is φ = 4846441600.

The previous prime is 12320140099. The next prime is 12320140111. The reversal of 12320140100 is 104102321.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3143342 + ... + 3147258.

It is an arithmetic number, because the mean of its divisors is an integer number (377491464).

Almost surely, 2^12320140100 is an apocalyptic number.

12320140100 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 12320140100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13589692704).

12320140100 is an abundant number, since it is smaller than the sum of its proper divisors (14859245308).

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

12320140100 is a wasteful number, since it uses less digits than its factorization.

12320140100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4445 (or 4438 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 12320140100 its reverse (104102321), we get a palindrome (12424242421).

The spelling of 12320140100 in words is "twelve billion, three hundred twenty million, one hundred forty thousand, one hundred".