1242232112 has 40 divisors (see below), whose sum is σ = 2629130832. Its totient is φ = 563897600.

The previous prime is 1242232099. The next prime is 1242232127. The reversal of 1242232112 is 2112322421.

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, 140198 + ... + 148794.

Almost surely, 2^1242232112 is an apocalyptic number.

It is an amenable number.

1242232112 is an abundant number, since it is smaller than the sum of its proper divisors (1386898720).

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

1242232112 is a wasteful number, since it uses less digits than its factorization.

1242232112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9437 (or 9431 counting only the distinct ones).

The product of its digits is 384, while the sum is 20.

The square root of 1242232112 is about 35245.3133338321. The cubic root of 1242232112 is about 1074.9813191634.

Adding to 1242232112 its reverse (2112322421), we get a palindrome (3354554533).

The spelling of 1242232112 in words is "one billion, two hundred forty-two million, two hundred thirty-two thousand, one hundred twelve".