12323133012 has 96 divisors (see below), whose sum is σ = 30633482880. Its totient is φ = 3844730880.

The previous prime is 12323133007. The next prime is 12323133023. The reversal of 12323133012 is 21033132321.

It is a self number, because there is not a number n which added to its sum of digits gives 12323133012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7527058 + ... + 7528694.

It is an arithmetic number, because the mean of its divisors is an integer number (319098780).

Almost surely, 2^12323133012 is an apocalyptic number.

12323133012 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 12323133012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15316741440).

12323133012 is an abundant number, since it is smaller than the sum of its proper divisors (18310349868).

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

12323133012 is a wasteful number, since it uses less digits than its factorization.

12323133012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2041 (or 2039 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 12323133012 its reverse (21033132321), we get a palindrome (33356265333).

The spelling of 12323133012 in words is "twelve billion, three hundred twenty-three million, one hundred thirty-three thousand, twelve".