12003103130321 has 4 divisors (see below), whose sum is σ = 12019085958144. Its totient is φ = 11987120302500.

The previous prime is 12003103130303. The next prime is 12003103130371. The reversal of 12003103130321 is 12303130130021.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12003103130321 - 2¹⁸ = 12003102868177 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12003103130293 and 12003103130302.

It is not an unprimeable number, because it can be changed into a prime (12003103130371) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7991412785 + ... + 7991414286.

It is an arithmetic number, because the mean of its divisors is an integer number (3004771489536).

Almost surely, 2^{12003103130321} is an apocalyptic number.

It is an amenable number.

12003103130321 is a deficient number, since it is larger than the sum of its proper divisors (15982827823).

12003103130321 is an equidigital number, since it uses as much as digits as its factorization.

12003103130321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15982827822.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 12003103130321 its reverse (12303130130021), we get a palindrome (24306233260342).

The spelling of 12003103130321 in words is "twelve trillion, three billion, one hundred three million, one hundred thirty thousand, three hundred twenty-one".