424221212342 has 16 divisors (see below), whose sum is σ = 636720039360. Its totient is φ = 211981243272.

The previous prime is 424221212339. The next prime is 424221212377. The reversal of 424221212342 is 243212122424.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30906293 + ... + 30920015.

It is an arithmetic number, because the mean of its divisors is an integer number (39795002460).

Almost surely, 2^424221212342 is an apocalyptic number.

424221212342 is a deficient number, since it is larger than the sum of its proper divisors (212498827018).

424221212342 is a wasteful number, since it uses less digits than its factorization.

424221212342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22027.

The product of its digits is 12288, while the sum is 29.

Adding to 424221212342 its reverse (243212122424), we get a palindrome (667433334766).

The spelling of 424221212342 in words is "four hundred twenty-four billion, two hundred twenty-one million, two hundred twelve thousand, three hundred forty-two".