12003012230321 has 32 divisors (see below), whose sum is σ = 14085603164160. Its totient is φ = 10014800918976.

The previous prime is 12003012230317. The next prime is 12003012230327. The reversal of 12003012230321 is 12303221030021.

It is not a de Polignac number, because 12003012230321 - 2² = 12003012230317 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12003012230293 and 12003012230302.

It is not an unprimeable number, because it can be changed into a prime (12003012230327) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 195639776 + ... + 195701118.

It is an arithmetic number, because the mean of its divisors is an integer number (440175098880).

Almost surely, 2^{12003012230321} is an apocalyptic number.

It is an amenable number.

12003012230321 is a deficient number, since it is larger than the sum of its proper divisors (2082590933839).

12003012230321 is a wasteful number, since it uses less digits than its factorization.

12003012230321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64613.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 12003012230321 its reverse (12303221030021), we get a palindrome (24306233260342).

The spelling of 12003012230321 in words is "twelve trillion, three billion, twelve million, two hundred thirty thousand, three hundred twenty-one".