12324201440 has 48 divisors (see below), whose sum is σ = 29128794912. Its totient is φ = 4927501824.

The previous prime is 12324201437. The next prime is 12324201443. The reversal of 12324201440 is 4410242321.

12324201440 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (12324201437) and next prime (12324201443).

It is a super-2 number, since 2×12324201440² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12324201443) 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 7 ways as a sum of consecutive naturals, for example, 374117 + ... + 405723.

It is an arithmetic number, because the mean of its divisors is an integer number (606849894).

Almost surely, 2^12324201440 is an apocalyptic number.

12324201440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12324201440 is an abundant number, since it is smaller than the sum of its proper divisors (16804593472).

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

12324201440 is a wasteful number, since it uses less digits than its factorization.

12324201440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34059 (or 34051 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 12324201440 its reverse (4410242321), we get a palindrome (16734443761).

The spelling of 12324201440 in words is "twelve billion, three hundred twenty-four million, two hundred one thousand, four hundred forty".