113000113212 has 96 divisors (see below), whose sum is σ = 311843589120. Its totient is φ = 31160532480.

The previous prime is 113000113199. The next prime is 113000113229. The reversal of 113000113212 is 212311000311.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 113000113191 and 113000113200.

It is a congruent number.

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 31 ways as a sum of consecutive naturals, for example, 7766008 + ... + 7780544.

It is an arithmetic number, because the mean of its divisors is an integer number (3248370720).

Almost surely, 2^113000113212 is an apocalyptic number.

113000113212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 113000113212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (155921794560).

113000113212 is an abundant number, since it is smaller than the sum of its proper divisors (198843475908).

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

113000113212 is a wasteful number, since it uses less digits than its factorization.

113000113212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17771 (or 17769 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 113000113212 its reverse (212311000311), we get a palindrome (325311113523).

The spelling of 113000113212 in words is "one hundred thirteen billion, one hundred thirteen thousand, two hundred twelve".