12324431000 has 96 divisors (see below), whose sum is σ = 33547737600. Its totient is φ = 4225502400.

The previous prime is 12324430981. The next prime is 12324431051. The reversal of 12324431000 is 13442321.

It is a super-2 number, since 2×12324431000² (a number of 21 digits) contains 22 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 76760 + ... + 174759.

It is an arithmetic number, because the mean of its divisors is an integer number (349455600).

Almost surely, 2^12324431000 is an apocalyptic number.

12324431000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12324431000 is an abundant number, since it is smaller than the sum of its proper divisors (21223306600).

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

12324431000 is a wasteful number, since it uses less digits than its factorization.

12324431000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251554 (or 251533 counting only the distinct ones).

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

Adding to 12324431000 its reverse (13442321), we get a palindrome (12337873321).

The spelling of 12324431000 in words is "twelve billion, three hundred twenty-four million, four hundred thirty-one thousand".