113103130212 has 36 divisors (see below), whose sum is σ = 292872743436. Its totient is φ = 36781505280.

The previous prime is 113103130211. The next prime is 113103130243. The reversal of 113103130212 is 212031301311.

113103130212 is a `hidden beast` number, since 11 + 310 + 3 + 130 + 212 = 666.

113103130212 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 57625922916 + 55477207296 = 240054^2 + 235536^2 .

It is a tau number, because it is divible by the number of its divisors (36).

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

It is not an unprimeable number, because it can be changed into a prime (113103130211) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 38312593 + ... + 38315544.

Almost surely, 2^113103130212 is an apocalyptic number.

113103130212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

113103130212 is an abundant number, since it is smaller than the sum of its proper divisors (179769613224).

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

113103130212 is a wasteful number, since it uses less digits than its factorization.

113103130212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76628188 (or 76628183 counting only the distinct ones).

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

Adding to 113103130212 its reverse (212031301311), we get a palindrome (325134431523).

The spelling of 113103130212 in words is "one hundred thirteen billion, one hundred three million, one hundred thirty thousand, two hundred twelve".