12311232300 has 108 divisors (see below), whose sum is σ = 39054036840. Its totient is φ = 3243421440.

The previous prime is 12311232239. The next prime is 12311232301. The reversal of 12311232300 is 323211321.

12311232300 is a `hidden beast` number, since 123 + 11 + 232 + 300 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (12311232301) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 7705 + ... + 157104.

Almost surely, 2^12311232300 is an apocalyptic number.

12311232300 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 12311232300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19527018420).

12311232300 is an abundant number, since it is smaller than the sum of its proper divisors (26742804540).

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

12311232300 is a wasteful number, since it uses less digits than its factorization.

12311232300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164912 (or 164902 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 12311232300 its reverse (323211321), we get a palindrome (12634443621).

The spelling of 12311232300 in words is "twelve billion, three hundred eleven million, two hundred thirty-two thousand, three hundred".