12033331000 has 128 divisors (see below), whose sum is σ = 29972592000. Its totient is φ = 4506163200.

The previous prime is 12033330997. The next prime is 12033331007. The reversal of 12033331000 is 13333021.

It is a super-2 number, since 2×12033331000² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12033331007) 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, 3381222 + ... + 3384778.

It is an arithmetic number, because the mean of its divisors is an integer number (234160875).

Almost surely, 2^12033331000 is an apocalyptic number.

12033331000 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 12033331000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14986296000).

12033331000 is an abundant number, since it is smaller than the sum of its proper divisors (17939261000).

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

12033331000 is a wasteful number, since it uses less digits than its factorization.

12033331000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3794 (or 3780 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 16.

Adding to 12033331000 its reverse (13333021), we get a palindrome (12046664021).

The spelling of 12033331000 in words is "twelve billion, thirty-three million, three hundred thirty-one thousand".