12021230003203 has 4 divisors (see below), whose sum is σ = 12728361179880. Its totient is φ = 11314098826528.

The previous prime is 12021230003179. The next prime is 12021230003207. The reversal of 12021230003203 is 30230003212021.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12021230003203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12021230003207) 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, 353565588313 + ... + 353565588346.

It is an arithmetic number, because the mean of its divisors is an integer number (3182090294970).

Almost surely, 2^{12021230003203} is an apocalyptic number.

12021230003203 is a deficient number, since it is larger than the sum of its proper divisors (707131176677).

12021230003203 is an equidigital number, since it uses as much as digits as its factorization.

12021230003203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 707131176676.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 12021230003203 its reverse (30230003212021), we get a palindrome (42251233215224).

The spelling of 12021230003203 in words is "twelve trillion, twenty-one billion, two hundred thirty million, three thousand, two hundred three".