12436436992 has 96 divisors (see below), whose sum is σ = 28483509600. Its totient is φ = 5317853184.

The previous prime is 12436436941. The next prime is 12436437001. The reversal of 12436436992 is 29963463421.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9647484 + ... + 9648772.

It is an arithmetic number, because the mean of its divisors is an integer number (296703225).

Almost surely, 2^12436436992 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12436436992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14241754800).

12436436992 is an abundant number, since it is smaller than the sum of its proper divisors (16047072608).

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

12436436992 is an equidigital number, since it uses as much as digits as its factorization.

12436436992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1991 (or 1971 counting only the distinct ones).

The product of its digits is 1679616, while the sum is 49.

The spelling of 12436436992 in words is "twelve billion, four hundred thirty-six million, four hundred thirty-six thousand, nine hundred ninety-two".