1233222112 has 48 divisors (see below), whose sum is σ = 2496130560. Its totient is φ = 599421312.

The previous prime is 1233222103. The next prime is 1233222121. The reversal of 1233222112 is 2112223321.

It is an interprime number because it is at equal distance from previous prime (1233222103) and next prime (1233222121).

It is a self number, because there is not a number n which added to its sum of digits gives 1233222112.

It is a congruent number.

It is an unprimeable number.

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, 304839 + ... + 308857.

It is an arithmetic number, because the mean of its divisors is an integer number (52002720).

Almost surely, 2^1233222112 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1233222112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1248065280).

1233222112 is an abundant number, since it is smaller than the sum of its proper divisors (1262908448).

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

1233222112 is a wasteful number, since it uses less digits than its factorization.

1233222112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4295 (or 4287 counting only the distinct ones).

The product of its digits is 288, while the sum is 19.

The square root of 1233222112 is about 35117.2623078736. The cubic root of 1233222112 is about 1072.3760376031.

Adding to 1233222112 its reverse (2112223321), we get a palindrome (3345445433).

The spelling of 1233222112 in words is "one billion, two hundred thirty-three million, two hundred twenty-two thousand, one hundred twelve".