12000201840 has 200 divisors, whose sum is σ = 45467701488. Its totient is φ = 2909122560.

The previous prime is 12000201799. The next prime is 12000201841. The reversal of 12000201840 is 4810200021.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12000201841) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 12897 + ... + 155456.

Almost surely, 2^12000201840 is an apocalyptic number.

12000201840 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 12000201840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22733850744).

12000201840 is an abundant number, since it is smaller than the sum of its proper divisors (33467499648).

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

12000201840 is a wasteful number, since it uses less digits than its factorization.

12000201840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168389 (or 168374 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 12000201840 its reverse (4810200021), we get a palindrome (16810401861).

The spelling of 12000201840 in words is "twelve billion, two hundred one thousand, eight hundred forty".