113323212 has 60 divisors (see below), whose sum is σ = 299268816. Its totient is φ = 37389600.

The previous prime is 113323211. The next prime is 113323219. The reversal of 113323212 is 212323311.

113323212 is a `hidden beast` number, since 11 + 332 + 321 + 2 = 666.

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

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (113323211) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 30993 + ... + 34455.

Almost surely, 2^113323212 is an apocalyptic number.

113323212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 113323212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (149634408).

113323212 is an abundant number, since it is smaller than the sum of its proper divisors (185945604).

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

113323212 is a wasteful number, since it uses less digits than its factorization.

113323212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3580 (or 3569 counting only the distinct ones).

The product of its digits is 216, while the sum is 18.

The square root of 113323212 is about 10645.3375709744. The cubic root of 113323212 is about 483.9193169700.

Adding to 113323212 its reverse (212323311), we get a palindrome (325646523).

Subtracting 113323212 from its reverse (212323311), we obtain a palindrome (99000099).

The spelling of 113323212 in words is "one hundred thirteen million, three hundred twenty-three thousand, two hundred twelve".