113212112230 has 48 divisors (see below), whose sum is σ = 242834106816. Its totient is φ = 37868853120.

The previous prime is 113212112219. The next prime is 113212112239. The reversal of 113212112230 is 32211212311.

It is a junction number, because it is equal to n+sod(n) for n = 113212112198 and 113212112207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113212112239) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2797534 + ... + 2837713.

It is an arithmetic number, because the mean of its divisors is an integer number (5059043892).

Almost surely, 2^113212112230 is an apocalyptic number.

113212112230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

113212112230 is an abundant number, since it is smaller than the sum of its proper divisors (129621994586).

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

113212112230 is a wasteful number, since it uses less digits than its factorization.

113212112230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5635309 (or 5635302 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 113212112230 its reverse (32211212311), we get a palindrome (145423324541).

The spelling of 113212112230 in words is "one hundred thirteen billion, two hundred twelve million, one hundred twelve thousand, two hundred thirty".