13223122012 has 48 divisors (see below), whose sum is σ = 24203263392. Its totient is φ = 6314906880.

The previous prime is 13223121997. The next prime is 13223122021. The reversal of 13223122012 is 21022132231.

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, 5894163 + ... + 5896405.

It is an arithmetic number, because the mean of its divisors is an integer number (504234654).

Almost surely, 2^13223122012 is an apocalyptic number.

It is an amenable number.

13223122012 is a deficient number, since it is larger than the sum of its proper divisors (10980141380).

13223122012 is a wasteful number, since it uses less digits than its factorization.

13223122012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2998 (or 2996 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 13223122012 its reverse (21022132231), we get a palindrome (34245254243).

The spelling of 13223122012 in words is "thirteen billion, two hundred twenty-three million, one hundred twenty-two thousand, twelve".