13320131221212 has 12 divisors (see below), whose sum is σ = 31080306182856. Its totient is φ = 4440043740400.

The previous prime is 13320131221193. The next prime is 13320131221253. The reversal of 13320131221212 is 21212213102331.

13320131221212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 555005467539 + ... + 555005467562.

It is an arithmetic number, because the mean of its divisors is an integer number (2590025515238).

Almost surely, 2^{13320131221212} is an apocalyptic number.

13320131221212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13320131221212 is an abundant number, since it is smaller than the sum of its proper divisors (17760174961644).

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

13320131221212 is a wasteful number, since it uses less digits than its factorization.

13320131221212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1110010935108 (or 1110010935106 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 13320131221212 its reverse (21212213102331), we get a palindrome (34532344323543).

The spelling of 13320131221212 in words is "thirteen trillion, three hundred twenty billion, one hundred thirty-one million, two hundred twenty-one thousand, two hundred twelve".