12324441400 has 24 divisors (see below), whose sum is σ = 28654326720. Its totient is φ = 4929776480.

The previous prime is 12324441391. The next prime is 12324441427. The reversal of 12324441400 is 414442321.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 30810904 + ... + 30811303.

It is an arithmetic number, because the mean of its divisors is an integer number (1193930280).

Almost surely, 2^12324441400 is an apocalyptic number.

12324441400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12324441400 is an abundant number, since it is smaller than the sum of its proper divisors (16329885320).

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

12324441400 is a wasteful number, since it uses less digits than its factorization.

12324441400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61622223 (or 61622214 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 12324441400 its reverse (414442321), we get a palindrome (12738883721).

The spelling of 12324441400 in words is "twelve billion, three hundred twenty-four million, four hundred forty-one thousand, four hundred".