12432214432444 has 12 divisors (see below), whose sum is σ = 21777115374000. Its totient is φ = 6210181468448.

The previous prime is 12432214432361. The next prime is 12432214432447. The reversal of 12432214432444 is 44423441223421.

It is a junction number, because it is equal to n+sod(n) for n = 12432214432397 and 12432214432406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12432214432447) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1481432224 + ... + 1481440615.

It is an arithmetic number, because the mean of its divisors is an integer number (1814759614500).

Almost surely, 2^{12432214432444} is an apocalyptic number.

It is an amenable number.

12432214432444 is a deficient number, since it is larger than the sum of its proper divisors (9344900941556).

12432214432444 is a wasteful number, since it uses less digits than its factorization.

12432214432444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2962873892 (or 2962873890 counting only the distinct ones).

The product of its digits is 589824, while the sum is 40.

Adding to 12432214432444 its reverse (44423441223421), we get a palindrome (56855655655865).

The spelling of 12432214432444 in words is "twelve trillion, four hundred thirty-two billion, two hundred fourteen million, four hundred thirty-two thousand, four hundred forty-four".