12324204040 has 16 divisors (see below), whose sum is σ = 27729459180. Its totient is φ = 4929681600.

The previous prime is 12324204017. The next prime is 12324204073. The reversal of 12324204040 is 4040242321.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 11876204484 + 447999556 = 108978^2 + 21166^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 154052511 + ... + 154052590.

Almost surely, 2^12324204040 is an apocalyptic number.

12324204040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12324204040 is an abundant number, since it is smaller than the sum of its proper divisors (15405255140).

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

12324204040 is a wasteful number, since it uses less digits than its factorization.

12324204040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 308105112 (or 308105108 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

Adding to 12324204040 its reverse (4040242321), we get a palindrome (16364446361).

The spelling of 12324204040 in words is "twelve billion, three hundred twenty-four million, two hundred four thousand, forty".