12324031400 has 96 divisors (see below), whose sum is σ = 30598041600. Its totient is φ = 4606022400.

The previous prime is 12324031393. The next prime is 12324031411. The reversal of 12324031400 is 413042321.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 145529 + ... + 214071.

It is an arithmetic number, because the mean of its divisors is an integer number (318729600).

Almost surely, 2^12324031400 is an apocalyptic number.

12324031400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12324031400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15299020800).

12324031400 is an abundant number, since it is smaller than the sum of its proper divisors (18274010200).

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

12324031400 is a wasteful number, since it uses less digits than its factorization.

12324031400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68619 (or 68610 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 12324031400 its reverse (413042321), we get a palindrome (12737073721).

The spelling of 12324031400 in words is "twelve billion, three hundred twenty-four million, thirty-one thousand, four hundred".