1220112433 has 12 divisors (see below), whose sum is σ = 1250016880. Its totient is φ = 1190907432.

The previous prime is 1220112427. The next prime is 1220112451. The reversal of 1220112433 is 3342110221.

It is a happy number.

It is not a de Polignac number, because 1220112433 - 2²⁵ = 1186558001 is a prime.

It is a super-2 number, since 2×1220112433² = 2977348698322358978, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1220112433.

It is not an unprimeable number, because it can be changed into a prime (1220112403) 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 11 ways as a sum of consecutive naturals, for example, 1419958 + ... + 1420816.

Almost surely, 2^1220112433 is an apocalyptic number.

It is an amenable number.

1220112433 is a deficient number, since it is larger than the sum of its proper divisors (29904447).

1220112433 is an frugal number, since it uses more digits than its factorization.

1220112433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1596 (or 1549 counting only the distinct ones).

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

The square root of 1220112433 is about 34930.1078297792. The cubic root of 1220112433 is about 1068.5625537316.

Adding to 1220112433 its reverse (3342110221), we get a palindrome (4562222654).

The spelling of 1220112433 in words is "one billion, two hundred twenty million, one hundred twelve thousand, four hundred thirty-three".