13221252314404 has 48 divisors (see below), whose sum is σ = 25258227273216. Its totient is φ = 6037728012800.

The previous prime is 13221252314401. The next prime is 13221252314447. The reversal of 13221252314404 is 40441325212231.

It is a super-2 number, since 2×13221252314404² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 13221252314404.

It is not an unprimeable number, because it can be changed into a prime (13221252314401) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37111057 + ... + 37465624.

It is an arithmetic number, because the mean of its divisors is an integer number (526213068192).

Almost surely, 2^{13221252314404} is an apocalyptic number.

It is an amenable number.

13221252314404 is a deficient number, since it is larger than the sum of its proper divisors (12036974958812).

13221252314404 is a wasteful number, since it uses less digits than its factorization.

13221252314404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74576796 (or 74576794 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 34.

Adding to 13221252314404 its reverse (40441325212231), we get a palindrome (53662577526635).

The spelling of 13221252314404 in words is "thirteen trillion, two hundred twenty-one billion, two hundred fifty-two million, three hundred fourteen thousand, four hundred four".