12433540000 has 120 divisors (see below), whose sum is σ = 34958534688. Its totient is φ = 4262880000.

The previous prime is 12433539967. The next prime is 12433540001. The reversal of 12433540000 is 4533421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12433540001) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 95595 + ... + 184405.

Almost surely, 2^12433540000 is an apocalyptic number.

12433540000 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 12433540000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17479267344).

12433540000 is an abundant number, since it is smaller than the sum of its proper divisors (22524994688).

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

12433540000 is an frugal number, since it uses more digits than its factorization.

12433540000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88848 (or 88825 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 22.

The spelling of 12433540000 in words is "twelve billion, four hundred thirty-three million, five hundred forty thousand".