12000333312 has 120 divisors (see below), whose sum is σ = 37782459000. Its totient is φ = 3636449280.

The previous prime is 12000333311. The next prime is 12000333347. The reversal of 12000333312 is 21333300021.

12000333312 is a `hidden beast` number, since 1 + 20 + 0 + 0 + 333 + 312 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12000333311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 67687 + ... + 169062.

It is an arithmetic number, because the mean of its divisors is an integer number (314853825).

Almost surely, 2^12000333312 is an apocalyptic number.

12000333312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12000333312 is an abundant number, since it is smaller than the sum of its proper divisors (25782125688).

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

12000333312 is a wasteful number, since it uses less digits than its factorization.

12000333312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 236784 (or 236765 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

Adding to 12000333312 its reverse (21333300021), we get a palindrome (33333633333).

The spelling of 12000333312 in words is "twelve billion, three hundred thirty-three thousand, three hundred twelve".