13113112012 has 48 divisors (see below), whose sum is σ = 30811237632. Its totient is φ = 4716002880.

The previous prime is 13113112009. The next prime is 13113112013. The reversal of 13113112012 is 21021131131.

It is a happy number.

13113112012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (13113112013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1633498 + ... + 1641505.

It is an arithmetic number, because the mean of its divisors is an integer number (641900784).

Almost surely, 2^13113112012 is an apocalyptic number.

It is an amenable number.

13113112012 is an abundant number, since it is smaller than the sum of its proper divisors (17698125620).

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

13113112012 is a wasteful number, since it uses less digits than its factorization.

13113112012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3275038 (or 3275036 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 13113112012 its reverse (21021131131), we get a palindrome (34134243143).

The spelling of 13113112012 in words is "thirteen billion, one hundred thirteen million, one hundred twelve thousand, twelve".