12103041221 has 8 divisors (see below), whose sum is σ = 12610466400. Its totient is φ = 11601621360.

The previous prime is 12103041179. The next prime is 12103041229. The reversal of 12103041221 is 12214030121.

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 12103041221 - 2⁶ = 12103041157 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 12103041221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12103041229) 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, 1497215 + ... + 1505276.

It is an arithmetic number, because the mean of its divisors is an integer number (1576308300).

Almost surely, 2^12103041221 is an apocalyptic number.

It is an amenable number.

12103041221 is a deficient number, since it is larger than the sum of its proper divisors (507425179).

12103041221 is a wasteful number, since it uses less digits than its factorization.

12103041221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3002659.

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

Adding to 12103041221 its reverse (12214030121), we get a palindrome (24317071342).

The spelling of 12103041221 in words is "twelve billion, one hundred three million, forty-one thousand, two hundred twenty-one".