1200010112 has 32 divisors (see below), whose sum is σ = 2732167920. Its totient is φ = 514289664.

The previous prime is 1200010069. The next prime is 1200010129. The reversal of 1200010112 is 2110100021.

It is a tau number, because it is divible by the number of its divisors (32).

It is a Harshad number since it is a multiple of its sum of digits (8).

It is a self number, because there is not a number n which added to its sum of digits gives 1200010112.

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 3 ways as a sum of consecutive naturals, for example, 668753 + ... + 670544.

Almost surely, 2^1200010112 is an apocalyptic number.

It is an amenable number.

1200010112 is an abundant number, since it is smaller than the sum of its proper divisors (1532157808).

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

1200010112 is an equidigital number, since it uses as much as digits as its factorization.

1200010112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1339318 (or 1339306 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 8.

The square root of 1200010112 is about 34641.1621052181. The cubic root of 1200010112 is about 1062.6615540641.

Adding to 1200010112 its reverse (2110100021), we get a palindrome (3310110133).

The spelling of 1200010112 in words is "one billion, two hundred million, ten thousand, one hundred twelve".