12132312300 has 144 divisors (see below), whose sum is σ = 39060312480. Its totient is φ = 3230542080.

The previous prime is 12132312287. The next prime is 12132312319. The reversal of 12132312300 is 321323121.

12132312300 is a `hidden beast` number, since 1 + 21 + 32 + 312 + 300 = 666.

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

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2084194 + ... + 2090006.

It is an arithmetic number, because the mean of its divisors is an integer number (271252170).

Almost surely, 2^12132312300 is an apocalyptic number.

12132312300 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 12132312300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19530156240).

12132312300 is an abundant number, since it is smaller than the sum of its proper divisors (26928000180).

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

12132312300 is a wasteful number, since it uses less digits than its factorization.

12132312300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6609 (or 6596 counting only the distinct ones).

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

Adding to 12132312300 its reverse (321323121), we get a palindrome (12453635421).

The spelling of 12132312300 in words is "twelve billion, one hundred thirty-two million, three hundred twelve thousand, three hundred".