113221233312 has 144 divisors (see below), whose sum is σ = 332038185696. Its totient is φ = 33746803200.

The previous prime is 113221233287. The next prime is 113221233329. The reversal of 113221233312 is 213332122311.

113221233312 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (24).

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

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 628683 + ... + 788469.

It is an arithmetic number, because the mean of its divisors is an integer number (2305820734).

Almost surely, 2^113221233312 is an apocalyptic number.

113221233312 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 113221233312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (166019092848).

113221233312 is an abundant number, since it is smaller than the sum of its proper divisors (218816952384).

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

113221233312 is a wasteful number, since it uses less digits than its factorization.

113221233312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159883 (or 159864 counting only the distinct ones).

The product of its digits is 1296, while the sum is 24.

Adding to 113221233312 its reverse (213332122311), we get a palindrome (326553355623).

The spelling of 113221233312 in words is "one hundred thirteen billion, two hundred twenty-one million, two hundred thirty-three thousand, three hundred twelve".