12103013201221 has 8 divisors (see below), whose sum is σ = 12816013847040. Its totient is φ = 11390130187968.

The previous prime is 12103013201207. The next prime is 12103013201231. The reversal of 12103013201221 is 12210231030121.

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 12103013201221 - 2²⁹ = 12102476330309 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12103013201231) 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 7 ways as a sum of consecutive naturals, for example, 29196261 + ... + 29607898.

It is an arithmetic number, because the mean of its divisors is an integer number (1602001730880).

Almost surely, 2^{12103013201221} is an apocalyptic number.

It is an amenable number.

12103013201221 is a deficient number, since it is larger than the sum of its proper divisors (713000645819).

12103013201221 is a wasteful number, since it uses less digits than its factorization.

12103013201221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58816283.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 12103013201221 its reverse (12210231030121), we get a palindrome (24313244231342).

The spelling of 12103013201221 in words is "twelve trillion, one hundred three billion, thirteen million, two hundred one thousand, two hundred twenty-one".