12033032112 has 100 divisors (see below), whose sum is σ = 35218739160. Its totient is φ = 3965905152.

The previous prime is 12033032111. The next prime is 12033032113. The reversal of 12033032112 is 21123033021.

12033032112 is a `hidden beast` number, since 1 + 2 + 0 + 330 + 321 + 12 = 666.

It is an interprime number because it is at equal distance from previous prime (12033032111) and next prime (12033032113).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (12033032111) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 63183 + ... + 167505.

Almost surely, 2^12033032112 is an apocalyptic number.

12033032112 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 12033032112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17609369580).

12033032112 is an abundant number, since it is smaller than the sum of its proper divisors (23185707048).

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

12033032112 is a wasteful number, since it uses less digits than its factorization.

12033032112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104432 (or 104417 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 12033032112 its reverse (21123033021), we get a palindrome (33156065133).

Subtracting 12033032112 from its reverse (21123033021), we obtain a palindrome (9090000909).

The spelling of 12033032112 in words is "twelve billion, thirty-three million, thirty-two thousand, one hundred twelve".