12000221201000 has 64 divisors (see below), whose sum is σ = 28118517336000. Its totient is φ = 4793592801600.

The previous prime is 12000221200951. The next prime is 12000221201053. The reversal of 12000221201000 is 10212200021.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7380230 + ... + 8858229.

It is an arithmetic number, because the mean of its divisors is an integer number (439351833375).

Almost surely, 2^{12000221201000} is an apocalyptic number.

12000221201000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12000221201000 is an abundant number, since it is smaller than the sum of its proper divisors (16118296135000).

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

12000221201000 is a wasteful number, since it uses less digits than its factorization.

12000221201000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16239219 (or 16239205 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 12000221201000 its reverse (10212200021), we get a palindrome (12010433401021).

The spelling of 12000221201000 in words is "twelve trillion, two hundred twenty-one million, two hundred one thousand".