12003323112312 has 384 divisors, whose sum is σ = 38076456499200. Its totient is φ = 3084317687808.

The previous prime is 12003323112299. The next prime is 12003323112343. The reversal of 12003323112312 is 21321132330021.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 136532833 + ... + 136620719.

It is an arithmetic number, because the mean of its divisors is an integer number (99157438800).

Almost surely, 2^{12003323112312} is an apocalyptic number.

12003323112312 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 12003323112312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19038228249600).

12003323112312 is an abundant number, since it is smaller than the sum of its proper divisors (26073133386888).

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

12003323112312 is a wasteful number, since it uses less digits than its factorization.

12003323112312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88063 (or 88042 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 12003323112312 its reverse (21321132330021), we get a palindrome (33324455442333).

The spelling of 12003323112312 in words is "twelve trillion, three billion, three hundred twenty-three million, one hundred twelve thousand, three hundred twelve".