12432547600 has 120 divisors (see below), whose sum is σ = 33465679488. Its totient is φ = 4398681600.

The previous prime is 12432547577. The next prime is 12432547607. The reversal of 12432547600 is 674523421.

It is not an unprimeable number, because it can be changed into a prime (12432547607) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 124617 + ... + 200983.

Almost surely, 2^12432547600 is an apocalyptic number.

12432547600 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 12432547600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16732839744).

12432547600 is an abundant number, since it is smaller than the sum of its proper divisors (21033131888).

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

12432547600 is a wasteful number, since it uses less digits than its factorization.

12432547600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76433 (or 76422 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 34.

The spelling of 12432547600 in words is "twelve billion, four hundred thirty-two million, five hundred forty-seven thousand, six hundred".