113620212 has 24 divisors (see below), whose sum is σ = 294571200. Its totient is φ = 37873368.

The previous prime is 113620189. The next prime is 113620259. The reversal of 113620212 is 212026311.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 525912 + ... + 526127.

It is an arithmetic number, because the mean of its divisors is an integer number (12273800).

Almost surely, 2^113620212 is an apocalyptic number.

113620212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

113620212 is an abundant number, since it is smaller than the sum of its proper divisors (180950988).

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

113620212 is a wasteful number, since it uses less digits than its factorization.

113620212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1052052 (or 1052044 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 113620212 is about 10659.2782119616. The cubic root of 113620212 is about 484.3417036953.

Adding to 113620212 its reverse (212026311), we get a palindrome (325646523).

The spelling of 113620212 in words is "one hundred thirteen million, six hundred twenty thousand, two hundred twelve".