12113423632 has 20 divisors (see below), whose sum is σ = 23711717596. Its totient is φ = 5994270720.

The previous prime is 12113423617. The next prime is 12113423653. The reversal of 12113423632 is 23632431121.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 4868690176 + 7244733456 = 69776^2 + 85116^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 12113423632.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3900969 + ... + 3904072.

Almost surely, 2^12113423632 is an apocalyptic number.

It is an amenable number.

12113423632 is a deficient number, since it is larger than the sum of its proper divisors (11598293964).

12113423632 is an equidigital number, since it uses as much as digits as its factorization.

12113423632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7805146 (or 7805140 counting only the distinct ones).

The product of its digits is 5184, while the sum is 28.

Adding to 12113423632 its reverse (23632431121), we get a palindrome (35745854753).

The spelling of 12113423632 in words is "twelve billion, one hundred thirteen million, four hundred twenty-three thousand, six hundred thirty-two".