12443333332 has 12 divisors (see below), whose sum is σ = 21793734900. Its totient is φ = 6216551936.

The previous prime is 12443333321. The next prime is 12443333347. The reversal of 12443333332 is 23333334421.

It can be written as a sum of positive squares in 2 ways, for example, as 2783195536 + 9660137796 = 52756^2 + 98286^2 .

It is a super-2 number, since 2×12443333332² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12443333294 and 12443333303.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1273207 + ... + 1282942.

It is an arithmetic number, because the mean of its divisors is an integer number (1816144575).

Almost surely, 2^12443333332 is an apocalyptic number.

It is an amenable number.

12443333332 is a deficient number, since it is larger than the sum of its proper divisors (9350401568).

12443333332 is a wasteful number, since it uses less digits than its factorization.

12443333332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2557370 (or 2557368 counting only the distinct ones).

The product of its digits is 46656, while the sum is 31.

Adding to 12443333332 its reverse (23333334421), we get a palindrome (35776667753).

It can be divided in two parts, 12 and 443333332, that added together give a palindrome (443333344).

The spelling of 12443333332 in words is "twelve billion, four hundred forty-three million, three hundred thirty-three thousand, three hundred thirty-two".