12432044111 has 16 divisors (see below), whose sum is σ = 13405575168. Its totient is φ = 11495431200.

The previous prime is 12432044101. The next prime is 12432044117. The reversal of 12432044111 is 11144023421.

It is a cyclic number.

It is not a de Polignac number, because 12432044111 - 2¹⁰ = 12432043087 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12432044117) 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, 683345 + ... + 701301.

It is an arithmetic number, because the mean of its divisors is an integer number (837848448).

Almost surely, 2^12432044111 is an apocalyptic number.

12432044111 is a deficient number, since it is larger than the sum of its proper divisors (973531057).

12432044111 is a wasteful number, since it uses less digits than its factorization.

12432044111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18982.

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 12432044111 its reverse (11144023421), we get a palindrome (23576067532).

The spelling of 12432044111 in words is "twelve billion, four hundred thirty-two million, forty-four thousand, one hundred eleven".