13133221212 has 24 divisors (see below), whose sum is σ = 30925325200. Its totient is φ = 4337577216.

The previous prime is 13133221183. The next prime is 13133221247. The reversal of 13133221212 is 21212233131.

13133221212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 5019037 + ... + 5021652.

Almost surely, 2^13133221212 is an apocalyptic number.

13133221212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13133221212 is an abundant number, since it is smaller than the sum of its proper divisors (17792103988).

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

13133221212 is a wasteful number, since it uses less digits than its factorization.

13133221212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10040805 (or 10040803 counting only the distinct ones).

The product of its digits is 432, while the sum is 21.

Adding to 13133221212 its reverse (21212233131), we get a palindrome (34345454343).

The spelling of 13133221212 in words is "thirteen billion, one hundred thirty-three million, two hundred twenty-one thousand, two hundred twelve".