13313322012 has 24 divisors (see below), whose sum is σ = 31117355136. Its totient is φ = 4430211568.

The previous prime is 13313322007. The next prime is 13313322019. The reversal of 13313322012 is 21022331331.

It is a self number, because there is not a number n which added to its sum of digits gives 13313322012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13313322019) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 937968 + ... + 952055.

It is an arithmetic number, because the mean of its divisors is an integer number (1296556464).

Almost surely, 2^13313322012 is an apocalyptic number.

13313322012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13313322012 is an abundant number, since it is smaller than the sum of its proper divisors (17804033124).

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

13313322012 is a wasteful number, since it uses less digits than its factorization.

13313322012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1890617 (or 1890615 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 13313322012 its reverse (21022331331), we get a palindrome (34335653343).

The spelling of 13313322012 in words is "thirteen billion, three hundred thirteen million, three hundred twenty-two thousand, twelve".