12003120132312 has 128 divisors (see below), whose sum is σ = 31830938504640. Its totient is φ = 3758817853440.

The previous prime is 12003120132307. The next prime is 12003120132319. The reversal of 12003120132312 is 21323102130021.

12003120132312 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12003120132319) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1071988698 + ... + 1071999894.

Almost surely, 2^{12003120132312} is an apocalyptic number.

12003120132312 is a gapful number since it is divisible by the number (12) 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 12003120132312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15915469252320).

12003120132312 is an abundant number, since it is smaller than the sum of its proper divisors (19827818372328).

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

12003120132312 is a wasteful number, since it uses less digits than its factorization.

12003120132312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15781 (or 15777 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 12003120132312 its reverse (21323102130021), we get a palindrome (33326222262333).

The spelling of 12003120132312 in words is "twelve trillion, three billion, one hundred twenty million, one hundred thirty-two thousand, three hundred twelve".