12000322000 has 80 divisors (see below), whose sum is σ = 29634388992. Its totient is φ = 4697961600.

The previous prime is 12000321989. The next prime is 12000322027. The reversal of 12000322000 is 22300021.

It is a tau number, because it is divible by the number of its divisors (80).

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 15 ways as a sum of consecutive naturals, for example, 30169 + ... + 157831.

Almost surely, 2^12000322000 is an apocalyptic number.

12000322000 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 12000322000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14817194496).

12000322000 is an abundant number, since it is smaller than the sum of its proper divisors (17634066992).

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

12000322000 is a wasteful number, since it uses less digits than its factorization.

12000322000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127733 (or 127717 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 10.

Adding to 12000322000 its reverse (22300021), we get a palindrome (12022622021).

The spelling of 12000322000 in words is "twelve billion, three hundred twenty-two thousand".