12432531125432 has 64 divisors (see below), whose sum is σ = 26083389087360. Its totient is φ = 5506616707200.

The previous prime is 12432531125431. The next prime is 12432531125437. The reversal of 12432531125432 is 23452113523421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12432531125431) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2309018 + ... + 5495145.

It is an arithmetic number, because the mean of its divisors is an integer number (407552954490).

Almost surely, 2^{12432531125432} is an apocalyptic number.

It is an amenable number.

12432531125432 is an abundant number, since it is smaller than the sum of its proper divisors (13650857961928).

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

12432531125432 is a wasteful number, since it uses less digits than its factorization.

12432531125432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7804644 (or 7804640 counting only the distinct ones).

The product of its digits is 172800, while the sum is 38.

Adding to 12432531125432 its reverse (23452113523421), we get a palindrome (35884644648853).

The spelling of 12432531125432 in words is "twelve trillion, four hundred thirty-two billion, five hundred thirty-one million, one hundred twenty-five thousand, four hundred thirty-two".