13133323212 has 12 divisors (see below), whose sum is σ = 30644420856. Its totient is φ = 4377774400.

The previous prime is 13133323171. The next prime is 13133323243. The reversal of 13133323212 is 21232333131.

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

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 547221789 + ... + 547221812.

It is an arithmetic number, because the mean of its divisors is an integer number (2553701738).

Almost surely, 2^13133323212 is an apocalyptic number.

13133323212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13133323212 is an abundant number, since it is smaller than the sum of its proper divisors (17511097644).

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

13133323212 is a wasteful number, since it uses less digits than its factorization.

13133323212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1094443608 (or 1094443606 counting only the distinct ones).

The product of its digits is 1944, while the sum is 24.

Adding to 13133323212 its reverse (21232333131), we get a palindrome (34365656343).

The spelling of 13133323212 in words is "thirteen billion, one hundred thirty-three million, three hundred twenty-three thousand, two hundred twelve".