12002012103221 has 16 divisors (see below), whose sum is σ = 14008694169600. Its totient is φ = 10068365598000.

The previous prime is 12002012103187. The next prime is 12002012103271. The reversal of 12002012103221 is 12230121020021.

It is a cyclic number.

It is not a de Polignac number, because 12002012103221 - 2³⁰ = 12000938361397 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12002012103221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12002012103271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18516980 + ... + 19154178.

It is an arithmetic number, because the mean of its divisors is an integer number (875543385600).

Almost surely, 2^{12002012103221} is an apocalyptic number.

It is an amenable number.

12002012103221 is a deficient number, since it is larger than the sum of its proper divisors (2006682066379).

12002012103221 is an equidigital number, since it uses as much as digits as its factorization.

12002012103221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 694504.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 12002012103221 its reverse (12230121020021), we get a palindrome (24232133123242).

The spelling of 12002012103221 in words is "twelve trillion, two billion, twelve million, one hundred three thousand, two hundred twenty-one".