13313222012 has 24 divisors (see below), whose sum is σ = 24077626272. Its totient is φ = 6436774400.

The previous prime is 13313221991. The next prime is 13313222017. The reversal of 13313222012 is 21022231331.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13313222017) 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, 340664 + ... + 377727.

It is an arithmetic number, because the mean of its divisors is an integer number (1003234428).

Almost surely, 2^13313222012 is an apocalyptic number.

It is an amenable number.

13313222012 is a deficient number, since it is larger than the sum of its proper divisors (10764404260).

13313222012 is a wasteful number, since it uses less digits than its factorization.

13313222012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 718549 (or 718547 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 13313222012 its reverse (21022231331), we get a palindrome (34335453343).

The spelling of 13313222012 in words is "thirteen billion, three hundred thirteen million, two hundred twenty-two thousand, twelve".