1220434112 has 14 divisors (see below), whose sum is σ = 2421799068. Its totient is φ = 610217024.

The previous prime is 1220434099. The next prime is 1220434129. The reversal of 1220434112 is 2114340221.

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 as a sum of consecutive naturals, namely, 9534578 + ... + 9534705.

Almost surely, 2^1220434112 is an apocalyptic number.

It is an amenable number.

1220434112 is a deficient number, since it is larger than the sum of its proper divisors (1201364956).

1220434112 is an equidigital number, since it uses as much as digits as its factorization.

1220434112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19069295 (or 19069285 counting only the distinct ones).

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

The square root of 1220434112 is about 34934.7121356395. The cubic root of 1220434112 is about 1068.6564532556.

Adding to 1220434112 its reverse (2114340221), we get a palindrome (3334774333).

The spelling of 1220434112 in words is "one billion, two hundred twenty million, four hundred thirty-four thousand, one hundred twelve".