12448321032 has 48 divisors (see below), whose sum is σ = 36201753360. Its totient is φ = 3556662816.

The previous prime is 12448321031. The next prime is 12448321069. The reversal of 12448321032 is 23012384421.

12448321032 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (12448321031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5291478 + ... + 5293829.

It is an arithmetic number, because the mean of its divisors is an integer number (754203195).

Almost surely, 2^12448321032 is an apocalyptic number.

12448321032 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12448321032 is an abundant number, since it is smaller than the sum of its proper divisors (23753432328).

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

12448321032 is a wasteful number, since it uses less digits than its factorization.

12448321032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10585330 (or 10585319 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 30.

The spelling of 12448321032 in words is "twelve billion, four hundred forty-eight million, three hundred twenty-one thousand, thirty-two".