13223033012 has 48 divisors (see below), whose sum is σ = 27482649600. Its totient is φ = 5447347200.

The previous prime is 13223032997. The next prime is 13223033023. The reversal of 13223033012 is 21033032231.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 78212 + ... + 180452.

It is an arithmetic number, because the mean of its divisors is an integer number (572555200).

Almost surely, 2^13223033012 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13223033012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13741324800).

13223033012 is an abundant number, since it is smaller than the sum of its proper divisors (14259616588).

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

13223033012 is a wasteful number, since it uses less digits than its factorization.

13223033012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102432 (or 102430 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 13223033012 its reverse (21033032231), we get a palindrome (34256065243).

The spelling of 13223033012 in words is "thirteen billion, two hundred twenty-three million, thirty-three thousand, twelve".