12133223000 has 128 divisors (see below), whose sum is σ = 31099723200. Its totient is φ = 4410112000.

The previous prime is 12133222963. The next prime is 12133223009. The reversal of 12133223000 is 32233121.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a self number, because there is not a number n which added to its sum of digits gives 12133223000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12133223009) 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, 480695 + ... + 505305.

Almost surely, 2^12133223000 is an apocalyptic number.

12133223000 is a gapful number since it is divisible by the number (10) 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 12133223000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15549861600).

12133223000 is an abundant number, since it is smaller than the sum of its proper divisors (18966500200).

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

12133223000 is a wasteful number, since it uses less digits than its factorization.

12133223000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24678 (or 24664 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 12133223000 its reverse (32233121), we get a palindrome (12165456121).

The spelling of 12133223000 in words is "twelve billion, one hundred thirty-three million, two hundred twenty-three thousand".