12003255043512 has 128 divisors (see below), whose sum is σ = 32687163360000. Its totient is φ = 3658626994176.

The previous prime is 12003255043487. The next prime is 12003255043519. The reversal of 12003255043512 is 21534055230021.

12003255043512 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 (12003255043519) 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, 41763643 + ... + 42050069.

It is an arithmetic number, because the mean of its divisors is an integer number (255368463750).

Almost surely, 2^{12003255043512} is an apocalyptic number.

12003255043512 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 12003255043512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16343581680000).

12003255043512 is an abundant number, since it is smaller than the sum of its proper divisors (20683908316488).

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

12003255043512 is a wasteful number, since it uses less digits than its factorization.

12003255043512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 289653 (or 289649 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 33.

The spelling of 12003255043512 in words is "twelve trillion, three billion, two hundred fifty-five million, forty-three thousand, five hundred twelve".