424431221124212 has 24 divisors (see below), whose sum is σ = 749337622184256. Its totient is φ = 210334807444608.

The previous prime is 424431221124133. The next prime is 424431221124247. The reversal of 424431221124212 is 212421122134424.

It is a super-2 number, since 2×424431221124212² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28111913 + ... + 40486319.

It is an arithmetic number, because the mean of its divisors is an integer number (31222400924344).

Almost surely, 2^{424431221124212} is an apocalyptic number.

It is an amenable number.

424431221124212 is a deficient number, since it is larger than the sum of its proper divisors (324906401060044).

424431221124212 is a wasteful number, since it uses less digits than its factorization.

424431221124212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12450407 (or 12450405 counting only the distinct ones).

The product of its digits is 49152, while the sum is 35.

Adding to 424431221124212 its reverse (212421122134424), we get a palindrome (636852343258636).

The spelling of 424431221124212 in words is "four hundred twenty-four trillion, four hundred thirty-one billion, two hundred twenty-one million, one hundred twenty-four thousand, two hundred twelve".