12013330000 has 150 divisors (see below), whose sum is σ = 33835501986. Its totient is φ = 4118688000.

The previous prime is 12013329949. The next prime is 12013330003. The reversal of 12013330000 is 3331021.

It can be written as a sum of positive squares in 5 ways, for example, as 6511844416 + 5501485584 = 80696^2 + 74172^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12013330003) by changing a digit.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 477742 + ... + 502258.

Almost surely, 2^12013330000 is an apocalyptic number.

12013330000 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 12013330000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16917750993).

12013330000 is an abundant number, since it is smaller than the sum of its proper divisors (21822171986).

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

12013330000 is an equidigital number, since it uses as much as digits as its factorization.

12013330000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24559 (or 24531 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 13.

Adding to 12013330000 its reverse (3331021), we get a palindrome (12016661021).

The spelling of 12013330000 in words is "twelve billion, thirteen million, three hundred thirty thousand".