12001221200202 has 64 divisors (see below), whose sum is σ = 26242483728384. Its totient is φ = 3636865128960.

The previous prime is 12001221200183. The next prime is 12001221200207. The reversal of 12001221200202 is 20200212210021.

It is not an unprimeable number, because it can be changed into a prime (12001221200207) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3064449 + ... + 5778692.

It is an arithmetic number, because the mean of its divisors is an integer number (410038808256).

Almost surely, 2^{12001221200202} is an apocalyptic number.

12001221200202 is an abundant number, since it is smaller than the sum of its proper divisors (14241262528182).

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

12001221200202 is a wasteful number, since it uses less digits than its factorization.

12001221200202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8843423.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 12001221200202 its reverse (20200212210021), we get a palindrome (32201433410223).

The spelling of 12001221200202 in words is "twelve trillion, one billion, two hundred twenty-one million, two hundred thousand, two hundred two".