12231323332 has 24 divisors (see below), whose sum is σ = 21540623832. Its totient is φ = 6076915200.

The previous prime is 12231323323. The next prime is 12231323347. The reversal of 12231323332 is 23332313221.

It can be written as a sum of positive squares in 4 ways, for example, as 639786436 + 11591536896 = 25294^2 + 107664^2 .

It is a junction number, because it is equal to n+sod(n) for n = 12231323297 and 12231323306.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 979158 + ... + 991570.

It is an arithmetic number, because the mean of its divisors is an integer number (897525993).

Almost surely, 2^12231323332 is an apocalyptic number.

It is an amenable number.

12231323332 is a deficient number, since it is larger than the sum of its proper divisors (9309300500).

12231323332 is a wasteful number, since it uses less digits than its factorization.

12231323332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13959 (or 13957 counting only the distinct ones).

The product of its digits is 3888, while the sum is 25.

Adding to 12231323332 its reverse (23332313221), we get a palindrome (35563636553).

The spelling of 12231323332 in words is "twelve billion, two hundred thirty-one million, three hundred twenty-three thousand, three hundred thirty-two".