12512011113 has 20 divisors (see below), whose sum is σ = 21360894720. Its totient is φ = 7149720312.

The previous prime is 12512011103. The next prime is 12512011147. The reversal of 12512011113 is 31111021521.

12512011113 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12512011113 - 2⁴ = 12512011097 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12512011103) 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 19 ways as a sum of consecutive naturals, for example, 11032953 + ... + 11034086.

It is an arithmetic number, because the mean of its divisors is an integer number (1068044736).

Almost surely, 2^12512011113 is an apocalyptic number.

It is an amenable number.

12512011113 is a deficient number, since it is larger than the sum of its proper divisors (8848883607).

12512011113 is an equidigital number, since it uses as much as digits as its factorization.

12512011113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22067058 (or 22067049 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 18.

Adding to 12512011113 its reverse (31111021521), we get a palindrome (43623032634).

The spelling of 12512011113 in words is "twelve billion, five hundred twelve million, eleven thousand, one hundred thirteen".