12142204424 has 16 divisors (see below), whose sum is σ = 26019009600. Its totient is φ = 5203801872.

The previous prime is 12142204411. The next prime is 12142204427. The reversal of 12142204424 is 42440224121.

It is a happy number.

12142204424 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 12142204393 and 12142204402.

It is not an unprimeable number, because it can be changed into a prime (12142204427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 108412484 + ... + 108412595.

It is an arithmetic number, because the mean of its divisors is an integer number (1626188100).

Almost surely, 2^12142204424 is an apocalyptic number.

12142204424 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

12142204424 is an abundant number, since it is smaller than the sum of its proper divisors (13876805176).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12142204424 is a wasteful number, since it uses less digits than its factorization.

12142204424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216825092 (or 216825088 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 26.

Adding to 12142204424 its reverse (42440224121), we get a palindrome (54582428545).

The spelling of 12142204424 in words is "twelve billion, one hundred forty-two million, two hundred four thousand, four hundred twenty-four".