13213455212 has 24 divisors (see below), whose sum is σ = 23526130320. Its totient is φ = 6491805440.

The previous prime is 13213455191. The next prime is 13213455217. The reversal of 13213455212 is 21255431231.

13213455212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (13213455217) by changing a digit.

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, 564608 + ... + 587544.

It is an arithmetic number, because the mean of its divisors is an integer number (980255430).

Almost surely, 2^13213455212 is an apocalyptic number.

It is an amenable number.

13213455212 is a deficient number, since it is larger than the sum of its proper divisors (10312675108).

13213455212 is a wasteful number, since it uses less digits than its factorization.

13213455212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25441 (or 25439 counting only the distinct ones).

The product of its digits is 7200, while the sum is 29.

Adding to 13213455212 its reverse (21255431231), we get a palindrome (34468886443).

The spelling of 13213455212 in words is "thirteen billion, two hundred thirteen million, four hundred fifty-five thousand, two hundred twelve".