424121121220 has 24 divisors (see below), whose sum is σ = 905750193600. Its totient is φ = 166773050592.

The previous prime is 424121121217. The next prime is 424121121239. The reversal of 424121121220 is 22121121424.

It is a junction number, because it is equal to n+sod(n) for n = 424121121191 and 424121121200.

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, 179711160 + ... + 179713519.

It is an arithmetic number, because the mean of its divisors is an integer number (37739591400).

Almost surely, 2^424121121220 is an apocalyptic number.

It is an amenable number.

424121121220 is an abundant number, since it is smaller than the sum of its proper divisors (481629072380).

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

424121121220 is a wasteful number, since it uses less digits than its factorization.

424121121220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 359424747 (or 359424745 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 22.

Adding to 424121121220 its reverse (22121121424), we get a palindrome (446242242644).

The spelling of 424121121220 in words is "four hundred twenty-four billion, one hundred twenty-one million, one hundred twenty-one thousand, two hundred twenty".