12041003221 has 8 divisors (see below), whose sum is σ = 12984020280. Its totient is φ = 11100384192.

The previous prime is 12041003213. The next prime is 12041003231. The reversal of 12041003221 is 12230014021.

12041003221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 2035002321 + 10006000900 = 45111^2 + 100030^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 12041003221 - 2³ = 12041003213 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12041003195 and 12041003204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12041003231) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 589066 + ... + 609163.

It is an arithmetic number, because the mean of its divisors is an integer number (1623002535).

Almost surely, 2^12041003221 is an apocalyptic number.

It is an amenable number.

12041003221 is a deficient number, since it is larger than the sum of its proper divisors (943017059).

12041003221 is a wasteful number, since it uses less digits than its factorization.

12041003221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1199015.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 12041003221 its reverse (12230014021), we get a palindrome (24271017242).

The spelling of 12041003221 in words is "twelve billion, forty-one million, three thousand, two hundred twenty-one".