12224430142 has 8 divisors (see below), whose sum is σ = 19415271456. Its totient is φ = 5752672992.

The previous prime is 12224430137. The next prime is 12224430151. The reversal of 12224430142 is 24103442221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 179770998 + ... + 179771065.

It is an arithmetic number, because the mean of its divisors is an integer number (2426908932).

Almost surely, 2^12224430142 is an apocalyptic number.

12224430142 is a deficient number, since it is larger than the sum of its proper divisors (7190841314).

12224430142 is a wasteful number, since it uses less digits than its factorization.

12224430142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 359542082.

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 12224430142 its reverse (24103442221), we get a palindrome (36327872363).

The spelling of 12224430142 in words is "twelve billion, two hundred twenty-four million, four hundred thirty thousand, one hundred forty-two".