12303231100 has 72 divisors (see below), whose sum is σ = 27141856560. Its totient is φ = 4840020480.

The previous prime is 12303231097. The next prime is 12303231131. The reversal of 12303231100 is 113230321.

It is a congruent number.

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, 1897464 + ... + 1903936.

It is an arithmetic number, because the mean of its divisors is an integer number (376970230).

Almost surely, 2^12303231100 is an apocalyptic number.

12303231100 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 12303231100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13570928280).

12303231100 is an abundant number, since it is smaller than the sum of its proper divisors (14838625460).

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

12303231100 is a wasteful number, since it uses less digits than its factorization.

12303231100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6799 (or 6792 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 12303231100 its reverse (113230321), we get a palindrome (12416461421).

The spelling of 12303231100 in words is "twelve billion, three hundred three million, two hundred thirty-one thousand, one hundred".