12421403321022 has 24 divisors (see below), whose sum is σ = 26921048110320. Its totient is φ = 4139235838080.

The previous prime is 12421403321003. The next prime is 12421403321071. The reversal of 12421403321022 is 22012330412421.

12421403321022 is a `hidden beast` number, since 1 + 2 + 4 + 21 + 403 + 3 + 210 + 22 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 102599122 + ... + 102720117.

It is an arithmetic number, because the mean of its divisors is an integer number (1121710337930).

Almost surely, 2^{12421403321022} is an apocalyptic number.

12421403321022 is an abundant number, since it is smaller than the sum of its proper divisors (14499644789298).

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

12421403321022 is a wasteful number, since it uses less digits than its factorization.

12421403321022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205322608 (or 205322605 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 12421403321022 its reverse (22012330412421), we get a palindrome (34433733733443).

The spelling of 12421403321022 in words is "twelve trillion, four hundred twenty-one billion, four hundred three million, three hundred twenty-one thousand, twenty-two".