12031333312 has 56 divisors (see below), whose sum is σ = 24147914112. Its totient is φ = 5947008000.

The previous prime is 12031333291. The next prime is 12031333333. The reversal of 12031333312 is 21333313021.

12031333312 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (12031333291) and next prime (12031333333).

It is a hoax number, since the sum of its digits (22) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6598833 + ... + 6600655.

It is an arithmetic number, because the mean of its divisors is an integer number (431212752).

Almost surely, 2^12031333312 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12031333312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12073957056).

12031333312 is an abundant number, since it is smaller than the sum of its proper divisors (12116580800).

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

12031333312 is a wasteful number, since it uses less digits than its factorization.

12031333312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2957 (or 2947 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 12031333312 its reverse (21333313021), we get a palindrome (33364646333).

The spelling of 12031333312 in words is "twelve billion, thirty-one million, three hundred thirty-three thousand, three hundred twelve".