12321233211 has 48 divisors (see below), whose sum is σ = 19673899296. Its totient is φ = 6834046464.

The previous prime is 12321233167. The next prime is 12321233213. The reversal of 12321233211 is 11233212321.

It is not a de Polignac number, because 12321233211 - 2¹⁸ = 12320971067 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (12321233213) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2483145 + ... + 2488101.

It is an arithmetic number, because the mean of its divisors is an integer number (409872902).

Almost surely, 2^12321233211 is an apocalyptic number.

12321233211 is a deficient number, since it is larger than the sum of its proper divisors (7352666085).

12321233211 is a wasteful number, since it uses less digits than its factorization.

12321233211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5468 (or 5461 counting only the distinct ones).

The product of its digits is 432, while the sum is 21.

Adding to 12321233211 its reverse (11233212321), we get a palindrome (23554445532).

The spelling of 12321233211 in words is "twelve billion, three hundred twenty-one million, two hundred thirty-three thousand, two hundred eleven".