13221233021324 has 24 divisors (see below), whose sum is σ = 23232792736608. Its totient is φ = 6583331139840.

The previous prime is 13221233021323. The next prime is 13221233021357. The reversal of 13221233021324 is 42312033212231.

It is not an unprimeable number, because it can be changed into a prime (13221233021323) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3502157 + ... + 6221540.

It is an arithmetic number, because the mean of its divisors is an integer number (968033030692).

Almost surely, 2^{13221233021324} is an apocalyptic number.

It is an amenable number.

13221233021324 is a deficient number, since it is larger than the sum of its proper divisors (10011559715284).

13221233021324 is a wasteful number, since it uses less digits than its factorization.

13221233021324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9725105 (or 9725103 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 29.

Adding to 13221233021324 its reverse (42312033212231), we get a palindrome (55533266233555).

The spelling of 13221233021324 in words is "thirteen trillion, two hundred twenty-one billion, two hundred thirty-three million, twenty-one thousand, three hundred twenty-four".