13213213221112 has 128 divisors (see below), whose sum is σ = 27225339287040. Its totient is φ = 5984802570240.

The previous prime is 13213213221059. The next prime is 13213213221127. The reversal of 13213213221112 is 21112231231231.

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 31 ways as a sum of consecutive naturals, for example, 733528618 + ... + 733546630.

It is an arithmetic number, because the mean of its divisors is an integer number (212697963180).

Almost surely, 2^{13213213221112} is an apocalyptic number.

It is an amenable number.

13213213221112 is an abundant number, since it is smaller than the sum of its proper divisors (14012126065928).

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

13213213221112 is a wasteful number, since it uses less digits than its factorization.

13213213221112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19001 (or 18997 counting only the distinct ones).

The product of its digits is 864, while the sum is 25.

Adding to 13213213221112 its reverse (21112231231231), we get a palindrome (34325444452343).

The spelling of 13213213221112 in words is "thirteen trillion, two hundred thirteen billion, two hundred thirteen million, two hundred twenty-one thousand, one hundred twelve".