113233321212 has 72 divisors (see below), whose sum is σ = 293677246800. Its totient is φ = 33927548160.

The previous prime is 113233321189. The next prime is 113233321283. The reversal of 113233321212 is 212123332311.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 308887 + ... + 567342.

It is an arithmetic number, because the mean of its divisors is an integer number (4078850650).

Almost surely, 2^113233321212 is an apocalyptic number.

113233321212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

113233321212 is an abundant number, since it is smaller than the sum of its proper divisors (180443925588).

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

113233321212 is a wasteful number, since it uses less digits than its factorization.

113233321212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 876347 (or 876334 counting only the distinct ones).

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

Adding to 113233321212 its reverse (212123332311), we get a palindrome (325356653523).

The spelling of 113233321212 in words is "one hundred thirteen billion, two hundred thirty-three million, three hundred twenty-one thousand, two hundred twelve".