13323322012 has 96 divisors (see below), whose sum is σ = 31408118784. Its totient is φ = 4775846400.

The previous prime is 13323321959. The next prime is 13323322069. The reversal of 13323322012 is 21022332331.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1247937 + ... + 1258567.

It is an arithmetic number, because the mean of its divisors is an integer number (327167904).

Almost surely, 2^13323322012 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 13323322012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15704059392).

13323322012 is an abundant number, since it is smaller than the sum of its proper divisors (18084796772).

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

13323322012 is a wasteful number, since it uses less digits than its factorization.

13323322012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10979 (or 10977 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 13323322012 its reverse (21022332331), we get a palindrome (34345654343).

The spelling of 13323322012 in words is "thirteen billion, three hundred twenty-three million, three hundred twenty-two thousand, twelve".