113103103212 has 72 divisors (see below), whose sum is σ = 313264590912. Its totient is φ = 34122655200.

The previous prime is 113103103207. The next prime is 113103103237. The reversal of 113103103212 is 212301301311.

113103103212 is a `hidden beast` number, since 1 + 1 + 31 + 0 + 310 + 321 + 2 = 666.

113103103212 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 539214 + ... + 718997.

It is an arithmetic number, because the mean of its divisors is an integer number (4350897096).

Almost surely, 2^113103103212 is an apocalyptic number.

113103103212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

113103103212 is an abundant number, since it is smaller than the sum of its proper divisors (200161487700).

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

113103103212 is a wasteful number, since it uses less digits than its factorization.

113103103212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1258459 (or 1258454 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 113103103212 its reverse (212301301311), we get a palindrome (325404404523).

The spelling of 113103103212 in words is "one hundred thirteen billion, one hundred three million, one hundred three thousand, two hundred twelve".