12321421333 has 16 divisors (see below), whose sum is σ = 13869386496. Its totient is φ = 10860854400.

The previous prime is 12321421327. The next prime is 12321421363. The reversal of 12321421333 is 33312412321.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12321421333 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12321421298 and 12321421307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12321421363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 145416 + ... + 213982.

It is an arithmetic number, because the mean of its divisors is an integer number (866836656).

Almost surely, 2^12321421333 is an apocalyptic number.

12321421333 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

12321421333 is a deficient number, since it is larger than the sum of its proper divisors (1547965163).

12321421333 is a wasteful number, since it uses less digits than its factorization.

12321421333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69204.

The product of its digits is 2592, while the sum is 25.

Adding to 12321421333 its reverse (33312412321), we get a palindrome (45633833654).

The spelling of 12321421333 in words is "twelve billion, three hundred twenty-one million, four hundred twenty-one thousand, three hundred thirty-three".