12001232003312 has 80 divisors (see below), whose sum is σ = 24789859552800. Its totient is φ = 5612142919680.

The previous prime is 12001232003297. The next prime is 12001232003399. The reversal of 12001232003312 is 21330023210021.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16996898 + ... + 17688894.

It is an arithmetic number, because the mean of its divisors is an integer number (309873244410).

Almost surely, 2^{12001232003312} 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 12001232003312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12394929776400).

12001232003312 is an abundant number, since it is smaller than the sum of its proper divisors (12788627549488).

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

12001232003312 is a wasteful number, since it uses less digits than its factorization.

12001232003312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 692754 (or 692748 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 12001232003312 its reverse (21330023210021), we get a palindrome (33331255213333).

The spelling of 12001232003312 in words is "twelve trillion, one billion, two hundred thirty-two million, three thousand, three hundred twelve".