12002003101221 has 8 divisors (see below), whose sum is σ = 18288766630464. Its totient is φ = 6858287486400.

The previous prime is 12002003101183. The next prime is 12002003101223. The reversal of 12002003101221 is 12210130020021.

12002003101221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12002003101221 - 2¹¹ = 12002003099173 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12002003101221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12002003101223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 285761978580 + ... + 285761978621.

It is an arithmetic number, because the mean of its divisors is an integer number (2286095828808).

Almost surely, 2^{12002003101221} is an apocalyptic number.

It is an amenable number.

12002003101221 is a deficient number, since it is larger than the sum of its proper divisors (6286763529243).

12002003101221 is an equidigital number, since it uses as much as digits as its factorization.

12002003101221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 571523957211.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 12002003101221 its reverse (12210130020021), we get a palindrome (24212133121242).

The spelling of 12002003101221 in words is "twelve trillion, two billion, three million, one hundred one thousand, two hundred twenty-one".