321012230203 has 16 divisors (see below), whose sum is σ = 391470277120. Its totient is φ = 257100734016.

The previous prime is 321012230153. The next prime is 321012230243. The reversal of 321012230203 is 302032210123.

It is a de Polignac number, because none of the positive numbers 2^k-321012230203 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (321012230243) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16521975 + ... + 16541392.

It is an arithmetic number, because the mean of its divisors is an integer number (24466892320).

Almost surely, 2^321012230203 is an apocalyptic number.

321012230203 is a deficient number, since it is larger than the sum of its proper divisors (70458046917).

321012230203 is a wasteful number, since it uses less digits than its factorization.

321012230203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33063466.

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

Adding to 321012230203 its reverse (302032210123), we get a palindrome (623044440326).

The spelling of 321012230203 in words is "three hundred twenty-one billion, twelve million, two hundred thirty thousand, two hundred three".