113212200 has 48 divisors (see below), whose sum is σ = 350959680. Its totient is φ = 30189760.

The previous prime is 113212199. The next prime is 113212219. The reversal of 113212200 is 2212311.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 93744 + ... + 94943.

It is an arithmetic number, because the mean of its divisors is an integer number (7311660).

Almost surely, 2^113212200 is an apocalyptic number.

113212200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

113212200 is an abundant number, since it is smaller than the sum of its proper divisors (237747480).

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

113212200 is a wasteful number, since it uses less digits than its factorization.

113212200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188706 (or 188697 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 113212200 is about 10640.1221797496. The cubic root of 113212200 is about 483.7612487285.

Adding to 113212200 its reverse (2212311), we get a palindrome (115424511).

The spelling of 113212200 in words is "one hundred thirteen million, two hundred twelve thousand, two hundred".