113203612 has 18 divisors (see below), whose sum is σ = 210447272. Its totient is φ = 53271744.

The previous prime is 113203567. The next prime is 113203619. The reversal of 113203612 is 216302311.

It is a self number, because there is not a number n which added to its sum of digits gives 113203612.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113203619) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 47808 + ... + 50119.

Almost surely, 2^113203612 is an apocalyptic number.

It is an amenable number.

113203612 is a deficient number, since it is larger than the sum of its proper divisors (97243660).

113203612 is a wasteful number, since it uses less digits than its factorization.

113203612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97965 (or 97946 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 113203612 is about 10639.7186053016. The cubic root of 113203612 is about 483.7490161050.

Adding to 113203612 its reverse (216302311), we get a palindrome (329505923).

The spelling of 113203612 in words is "one hundred thirteen million, two hundred three thousand, six hundred twelve".