1220200112 has 10 divisors (see below), whose sum is σ = 2364137748. Its totient is φ = 610100048.

The previous prime is 1220200099. The next prime is 1220200127. The reversal of 1220200112 is 2110020221.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1220200093 and 1220200102.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38131238 + ... + 38131269.

Almost surely, 2^1220200112 is an apocalyptic number.

It is an amenable number.

1220200112 is a deficient number, since it is larger than the sum of its proper divisors (1143937636).

1220200112 is an equidigital number, since it uses as much as digits as its factorization.

1220200112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76262515 (or 76262509 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 1220200112 is about 34931.3628706353. The cubic root of 1220200112 is about 1068.5881492558.

Adding to 1220200112 its reverse (2110020221), we get a palindrome (3330220333).

The spelling of 1220200112 in words is "one billion, two hundred twenty million, two hundred thousand, one hundred twelve".