12544222032 has 40 divisors (see below), whose sum is σ = 36006564480. Its totient is φ = 4181407200.

The previous prime is 12544222007. The next prime is 12544222063. The reversal of 12544222032 is 23022244521.

12544222032 is a `hidden beast` number, since 12 + 5 + 442 + 2 + 203 + 2 = 666.

12544222032 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×12544222032² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 12544221987 and 12544222005.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 14518344 + ... + 14519207.

It is an arithmetic number, because the mean of its divisors is an integer number (900164112).

Almost surely, 2^12544222032 is an apocalyptic number.

12544222032 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12544222032 is an abundant number, since it is smaller than the sum of its proper divisors (23462342448).

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

12544222032 is a wasteful number, since it uses less digits than its factorization.

12544222032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29037568 (or 29037556 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 27.

Adding to 12544222032 its reverse (23022244521), we get a palindrome (35566466553).

The spelling of 12544222032 in words is "twelve billion, five hundred forty-four million, two hundred twenty-two thousand, thirty-two".