113220212 has 24 divisors (see below), whose sum is σ = 226731456. Its totient is φ = 48460608.

The previous prime is 113220203. The next prime is 113220223. The reversal of 113220212 is 212022311.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 24563 + ... + 28805.

It is an arithmetic number, because the mean of its divisors is an integer number (9447144).

Almost surely, 2^113220212 is an apocalyptic number.

It is an amenable number.

113220212 is an abundant number, since it is smaller than the sum of its proper divisors (113511244).

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

113220212 is a wasteful number, since it uses less digits than its factorization.

113220212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5207 (or 5205 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 113220212 is about 10640.4986725247. The cubic root of 113220212 is about 483.7726603482.

Adding to 113220212 its reverse (212022311), we get a palindrome (325242523).

It can be divided in two parts, 11 and 3220212, that added together give a palindrome (3220223).

The spelling of 113220212 in words is "one hundred thirteen million, two hundred twenty thousand, two hundred twelve".