13221124412522 has 8 divisors (see below), whose sum is σ = 21357200974116. Its totient is φ = 6102057421152.

The previous prime is 13221124412513. The next prime is 13221124412533. The reversal of 13221124412522 is 22521442112231.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 11053636739401 + 2167487673121 = 3324701^2 + 1472239^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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 3 ways as a sum of consecutive naturals, for example, 254252392523 + ... + 254252392574.

Almost surely, 2^{13221124412522} is an apocalyptic number.

13221124412522 is a deficient number, since it is larger than the sum of its proper divisors (8136076561594).

13221124412522 is a wasteful number, since it uses less digits than its factorization.

13221124412522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 508504785112.

The product of its digits is 15360, while the sum is 32.

Adding to 13221124412522 its reverse (22521442112231), we get a palindrome (35742566524753).

The spelling of 13221124412522 in words is "thirteen trillion, two hundred twenty-one billion, one hundred twenty-four million, four hundred twelve thousand, five hundred twenty-two".