11321233212 has 48 divisors (see below), whose sum is σ = 27147989792. Its totient is φ = 3669338880.

The previous prime is 11321233177. The next prime is 11321233229. The reversal of 11321233212 is 21233212311.

11321233212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 744162 + ... + 759222.

Almost surely, 2^11321233212 is an apocalyptic number.

11321233212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11321233212 is an abundant number, since it is smaller than the sum of its proper divisors (15826756580).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11321233212 is a wasteful number, since it uses less digits than its factorization.

11321233212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16798 (or 16796 counting only the distinct ones).

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

Adding to 11321233212 its reverse (21233212311), we get a palindrome (32554445523).

The spelling of 11321233212 in words is "eleven billion, three hundred twenty-one million, two hundred thirty-three thousand, two hundred twelve".