12033220021232 has 160 divisors (see below), whose sum is σ = 25093429251072. Its totient is φ = 5575348703232.

The previous prime is 12033220021217. The next prime is 12033220021289. The reversal of 12033220021232 is 23212002233021.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a junction number, because it is equal to n+sod(n) for n = 12033220021198 and 12033220021207.

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, 4877672063 + ... + 4877674529.

Almost surely, 2^{12033220021232} 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 12033220021232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12546714625536).

12033220021232 is an abundant number, since it is smaller than the sum of its proper divisors (13060209229840).

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

12033220021232 is a wasteful number, since it uses less digits than its factorization.

12033220021232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3935 (or 3929 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 12033220021232 its reverse (23212002233021), we get a palindrome (35245222254253).

The spelling of 12033220021232 in words is "twelve trillion, thirty-three billion, two hundred twenty million, twenty-one thousand, two hundred thirty-two".