12001330000 has 100 divisors (see below), whose sum is σ = 31698203328. Its totient is φ = 4364080000.

The previous prime is 12001329997. The next prime is 12001330021. The reversal of 12001330000 is 3310021.

It is a tau number, because it is divible by the number of its divisors (100).

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 55449 + ... + 164551.

Almost surely, 2^12001330000 is an apocalyptic number.

12001330000 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 12001330000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15849101664).

12001330000 is an abundant number, since it is smaller than the sum of its proper divisors (19696873328).

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

12001330000 is a wasteful number, since it uses less digits than its factorization.

12001330000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109142 (or 109121 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 10.

Adding to 12001330000 its reverse (3310021), we get a palindrome (12004640021).

The spelling of 12001330000 in words is "twelve billion, one million, three hundred thirty thousand".