12432444535 has 16 divisors (see below), whose sum is σ = 17215750656. Its totient is φ = 8442334368.

The previous prime is 12432444527. The next prime is 12432444547. The reversal of 12432444535 is 53544423421.

It is a cyclic number.

It is not a de Polignac number, because 12432444535 - 2³ = 12432444527 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12432444494 and 12432444503.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1720729 + ... + 1727938.

It is an arithmetic number, because the mean of its divisors is an integer number (1075984416).

Almost surely, 2^12432444535 is an apocalyptic number.

12432444535 is a deficient number, since it is larger than the sum of its proper divisors (4783306121).

12432444535 is a wasteful number, since it uses less digits than its factorization.

12432444535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3448782.

The product of its digits is 230400, while the sum is 37.

Adding to 12432444535 its reverse (53544423421), we get a palindrome (65976867956).

The spelling of 12432444535 in words is "twelve billion, four hundred thirty-two million, four hundred forty-four thousand, five hundred thirty-five".