12000200000 has 168 divisors, whose sum is σ = 30805450200. Its totient is φ = 4632320000.

The previous prime is 12000199979. The next prime is 12000200027. The reversal of 12000200000 is 200021.

It can be written as a sum of positive squares in 12 ways, for example, as 11769646144 + 230553856 = 108488^2 + 15184^2 .

It is a Harshad number since it is a multiple of its sum of digits (5).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5798966 + ... + 5801034.

It is an arithmetic number, because the mean of its divisors is an integer number (183365775).

Almost surely, 2^12000200000 is an apocalyptic number.

12000200000 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 12000200000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15402725100).

12000200000 is an abundant number, since it is smaller than the sum of its proper divisors (18805250200).

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

12000200000 is an frugal number, since it uses more digits than its factorization.

12000200000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2135 (or 2105 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 5.

Adding to 12000200000 its reverse (200021), we get a palindrome (12000400021).

The spelling of 12000200000 in words is "twelve billion, two hundred thousand".