12003213231012 has 12 divisors (see below), whose sum is σ = 28007497539056. Its totient is φ = 4001071077000.

The previous prime is 12003213230971. The next prime is 12003213231041. The reversal of 12003213231012 is 21013231230021.

12003213231012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 12003213231012.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 500133884614 + ... + 500133884637.

Almost surely, 2^{12003213231012} is an apocalyptic number.

12003213231012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12003213231012 is an abundant number, since it is smaller than the sum of its proper divisors (16004284308044).

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

12003213231012 is a wasteful number, since it uses less digits than its factorization.

12003213231012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1000267769258 (or 1000267769256 counting only the distinct ones).

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

Adding to 12003213231012 its reverse (21013231230021), we get a palindrome (33016444461033).

The spelling of 12003213231012 in words is "twelve trillion, three billion, two hundred thirteen million, two hundred thirty-one thousand, twelve".