12033223312 has 40 divisors (see below), whose sum is σ = 25604611200. Its totient is φ = 5432926080.

The previous prime is 12033223289. The next prime is 12033223343. The reversal of 12033223312 is 21332233021.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 203208 + ... + 255655.

It is an arithmetic number, because the mean of its divisors is an integer number (640115280).

Almost surely, 2^12033223312 is an apocalyptic number.

It is an amenable number.

12033223312 is an abundant number, since it is smaller than the sum of its proper divisors (13571387888).

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

12033223312 is a wasteful number, since it uses less digits than its factorization.

12033223312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 459031 (or 459025 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 12033223312 its reverse (21332233021), we get a palindrome (33365456333).

The spelling of 12033223312 in words is "twelve billion, thirty-three million, two hundred twenty-three thousand, three hundred twelve".