12344666532 has 48 divisors (see below), whose sum is σ = 32272064832. Its totient is φ = 3639703680.

The previous prime is 12344666531. The next prime is 12344666549. The reversal of 12344666532 is 23566644321.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (12344666531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1258903 + ... + 1268670.

It is an arithmetic number, because the mean of its divisors is an integer number (672334684).

Almost surely, 2^12344666532 is an apocalyptic number.

12344666532 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12344666532 is an abundant number, since it is smaller than the sum of its proper divisors (19927398300).

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

12344666532 is a wasteful number, since it uses less digits than its factorization.

12344666532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2527628 (or 2527626 counting only the distinct ones).

The product of its digits is 622080, while the sum is 42.

It can be divided in two parts, 12344 and 666532, that added together give a palindrome (678876).

The spelling of 12344666532 in words is "twelve billion, three hundred forty-four million, six hundred sixty-six thousand, five hundred thirty-two".