1200112219 has 8 divisors (see below), whose sum is σ = 1281070080. Its totient is φ = 1120933800.

The previous prime is 1200112183. The next prime is 1200112237. The reversal of 1200112219 is 9122110021.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1200112219 - 2⁹ = 1200111707 is a prime.

It is a super-2 number, since 2×1200112219² = 2880538676386207922, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1200112196 and 1200112205.

It is not an unprimeable number, because it can be changed into a prime (1200112289) 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 7 ways as a sum of consecutive naturals, for example, 443467 + ... + 446164.

It is an arithmetic number, because the mean of its divisors is an integer number (160133760).

Almost surely, 2^1200112219 is an apocalyptic number.

1200112219 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

1200112219 is a deficient number, since it is larger than the sum of its proper divisors (80957861).

1200112219 is an equidigital number, since it uses as much as digits as its factorization.

1200112219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 889721.

The product of its (nonzero) digits is 72, while the sum is 19.

The square root of 1200112219 is about 34642.6358552579. The cubic root of 1200112219 is about 1062.6916932840.

The spelling of 1200112219 in words is "one billion, two hundred million, one hundred twelve thousand, two hundred nineteen".