12424221430042 has 32 divisors (see below), whose sum is σ = 19462963924800. Its totient is φ = 5943267364608.

The previous prime is 12424221430039. The next prime is 12424221430073. The reversal of 12424221430042 is 24003412242421.

It is a super-2 number, since 2×12424221430042² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12424221429986 and 12424221430013.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3014367 + ... + 5825362.

It is an arithmetic number, because the mean of its divisors is an integer number (608217622650).

Almost surely, 2^{12424221430042} is an apocalyptic number.

12424221430042 is a deficient number, since it is larger than the sum of its proper divisors (7038742494758).

12424221430042 is a wasteful number, since it uses less digits than its factorization.

12424221430042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8840110.

The product of its (nonzero) digits is 24576, while the sum is 31.

Adding to 12424221430042 its reverse (24003412242421), we get a palindrome (36427633672463).

The spelling of 12424221430042 in words is "twelve trillion, four hundred twenty-four billion, two hundred twenty-one million, four hundred thirty thousand, forty-two".