112200019 has 4 divisors (see below), whose sum is σ = 112440744. Its totient is φ = 111959296.

The previous prime is 112200001. The next prime is 112200031. The reversal of 112200019 is 910002211.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 112200019 - 2⁷ = 112199891 is a prime.

It is a super-2 number, since 2×112200019² = 25177688527200722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 112199975 and 112200011.

It is not an unprimeable number, because it can be changed into a prime (112200919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 119662 + ... + 120595.

It is an arithmetic number, because the mean of its divisors is an integer number (28110186).

Almost surely, 2^112200019 is an apocalyptic number.

112200019 is a deficient number, since it is larger than the sum of its proper divisors (240725).

112200019 is an equidigital number, since it uses as much as digits as its factorization.

112200019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240724.

The product of its (nonzero) digits is 36, while the sum is 16.

The square root of 112200019 is about 10592.4510383575. The cubic root of 112200019 is about 482.3152311408.

The spelling of 112200019 in words is "one hundred twelve million, two hundred thousand, nineteen".