1200110000 has 50 divisors (see below), whose sum is σ = 2905610532. Its totient is φ = 480040000.

The previous prime is 1200109997. The next prime is 1200110011. The reversal of 1200110000 is 110021.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (50).

It is a Harshad number since it is a multiple of its sum of digits (5).

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 9 ways as a sum of consecutive naturals, for example, 50006 + ... + 70005.

Almost surely, 2^1200110000 is an apocalyptic number.

1200110000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1200110000 is an abundant number, since it is smaller than the sum of its proper divisors (1705500532).

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

1200110000 is an equidigital number, since it uses as much as digits as its factorization.

1200110000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120039 (or 120018 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 5.

The square root of 1200110000 is about 34642.6038282344. The cubic root of 1200110000 is about 1062.6910383135.

Adding to 1200110000 its reverse (110021), we get a palindrome (1200220021).

The spelling of 1200110000 in words is "one billion, two hundred million, one hundred ten thousand".