12432321433 has 16 divisors (see below), whose sum is σ = 14990008320. Its totient is φ = 10072582416.

The previous prime is 12432321413. The next prime is 12432321439. The reversal of 12432321433 is 33412323421.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 12432321433 - 2²¹ = 12430224281 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12432321439) 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, 46585 + ... + 164422.

It is an arithmetic number, because the mean of its divisors is an integer number (936875520).

Almost surely, 2^12432321433 is an apocalyptic number.

It is an amenable number.

12432321433 is a deficient number, since it is larger than the sum of its proper divisors (2557686887).

12432321433 is a wasteful number, since it uses less digits than its factorization.

12432321433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211476.

The product of its digits is 10368, while the sum is 28.

Adding to 12432321433 its reverse (33412323421), we get a palindrome (45844644854).

The spelling of 12432321433 in words is "twelve billion, four hundred thirty-two million, three hundred twenty-one thousand, four hundred thirty-three".