12223231113312 has 96 divisors (see below), whose sum is σ = 35653921430400. Its totient is φ = 4074086865024.

The previous prime is 12223231113311. The next prime is 12223231113329. The reversal of 12223231113312 is 21331113232221.

12223231113312 is a `hidden beast` number, since 1 + 2 + 2 + 2 + 3 + 231 + 113 + 312 = 666.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (27).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12223231113311) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10451223 + ... + 11561769.

It is an arithmetic number, because the mean of its divisors is an integer number (371395014900).

Almost surely, 2^{12223231113312} is an apocalyptic number.

12223231113312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12223231113312 is an abundant number, since it is smaller than the sum of its proper divisors (23430690317088).

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

12223231113312 is a wasteful number, since it uses less digits than its factorization.

12223231113312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1123305 (or 1123291 counting only the distinct ones).

The product of its digits is 2592, while the sum is 27.

Adding to 12223231113312 its reverse (21331113232221), we get a palindrome (33554344345533).

The spelling of 12223231113312 in words is "twelve trillion, two hundred twenty-three billion, two hundred thirty-one million, one hundred thirteen thousand, three hundred twelve".