1223331112 has 32 divisors (see below), whose sum is σ = 2428977600. Its totient is φ = 575990784.

The previous prime is 1223331097. The next prime is 1223331113. The reversal of 1223331112 is 2111333221.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a self number, because there is not a number n which added to its sum of digits gives 1223331112.

It is not an unprimeable number, because it can be changed into a prime (1223331113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1288 + ... + 49480.

It is an arithmetic number, because the mean of its divisors is an integer number (75905550).

Almost surely, 2^1223331112 is an apocalyptic number.

It is an amenable number.

1223331112 is a deficient number, since it is larger than the sum of its proper divisors (1205646488).

1223331112 is a wasteful number, since it uses less digits than its factorization.

1223331112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48385 (or 48381 counting only the distinct ones).

The product of its digits is 216, while the sum is 19.

The square root of 1223331112 is about 34976.1506172420. The cubic root of 1223331112 is about 1069.5013578994.

Adding to 1223331112 its reverse (2111333221), we get a palindrome (3334664333).

The spelling of 1223331112 in words is "one billion, two hundred twenty-three million, three hundred thirty-one thousand, one hundred twelve".