12432001443 has 16 divisors (see below), whose sum is σ = 17386222080. Its totient is φ = 7892423136.

The previous prime is 12432001441. The next prime is 12432001493. The reversal of 12432001443 is 34410023421.

It is not a de Polignac number, because 12432001443 - 2¹ = 12432001441 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12432001441) 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, 1186273 + ... + 1196706.

It is an arithmetic number, because the mean of its divisors is an integer number (1086638880).

Almost surely, 2^12432001443 is an apocalyptic number.

12432001443 is a deficient number, since it is larger than the sum of its proper divisors (4954220637).

12432001443 is a wasteful number, since it uses less digits than its factorization.

12432001443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2383066.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 12432001443 its reverse (34410023421), we get a palindrome (46842024864).

The spelling of 12432001443 in words is "twelve billion, four hundred thirty-two million, one thousand, four hundred forty-three".