12332311212 has 96 divisors (see below), whose sum is σ = 32483340288. Its totient is φ = 3613065984.

The previous prime is 12332311177. The next prime is 12332311217. The reversal of 12332311212 is 21211323321.

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

It is not an unprimeable number, because it can be changed into a prime (12332311217) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 792418 + ... + 807830.

It is an arithmetic number, because the mean of its divisors is an integer number (338368128).

Almost surely, 2^12332311212 is an apocalyptic number.

12332311212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12332311212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16241670144).

12332311212 is an abundant number, since it is smaller than the sum of its proper divisors (20151029076).

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

12332311212 is a wasteful number, since it uses less digits than its factorization.

12332311212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15679 (or 15677 counting only the distinct ones).

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

Adding to 12332311212 its reverse (21211323321), we get a palindrome (33543634533).

The spelling of 12332311212 in words is "twelve billion, three hundred thirty-two million, three hundred eleven thousand, two hundred twelve".