12224002142 has 16 divisors (see below), whose sum is σ = 20872605312. Its totient is φ = 5314783320.

The previous prime is 12224002129. The next prime is 12224002159. The reversal of 12224002142 is 24120042221.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12078548 + ... + 12079559.

It is an arithmetic number, because the mean of its divisors is an integer number (1304537832).

Almost surely, 2^12224002142 is an apocalyptic number.

12224002142 is a deficient number, since it is larger than the sum of its proper divisors (8648603170).

12224002142 is a wasteful number, since it uses less digits than its factorization.

12224002142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24158143.

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 12224002142 its reverse (24120042221), we get a palindrome (36344044363).

The spelling of 12224002142 in words is "twelve billion, two hundred twenty-four million, two thousand, one hundred forty-two".