1321030222424 has 48 divisors (see below), whose sum is σ = 2723737590000. Its totient is φ = 600212486720.

The previous prime is 1321030222411. The next prime is 1321030222471. The reversal of 1321030222424 is 4242220301231.

It is a junction number, because it is equal to n+sod(n) for n = 1321030222393 and 1321030222402.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 1992077 + ... + 2571075.

It is an arithmetic number, because the mean of its divisors is an integer number (56744533125).

Almost surely, 2^{1321030222424} is an apocalyptic number.

It is an amenable number.

1321030222424 is an abundant number, since it is smaller than the sum of its proper divisors (1402707367576).

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

1321030222424 is a wasteful number, since it uses less digits than its factorization.

1321030222424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 581384 (or 581369 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 1321030222424 its reverse (4242220301231), we get a palindrome (5563250523655).

The spelling of 1321030222424 in words is "one trillion, three hundred twenty-one billion, thirty million, two hundred twenty-two thousand, four hundred twenty-four".