210200112112009 has 8 divisors (see below), whose sum is σ = 223275894321960. Its totient is φ = 197203337650176.

The previous prime is 210200112111989. The next prime is 210200112112019. The reversal of 210200112112009 is 900211211002012.

It can be written as a sum of positive squares in 4 ways, for example, as 412842230784 + 209787269881225 = 642528^2 + 14484035^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 210200112112009 - 2³¹ = 210197964628361 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (210200112112019) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19751931544 + ... + 19751942185.

It is an arithmetic number, because the mean of its divisors is an integer number (27909486790245).

Almost surely, 2^{210200112112009} is an apocalyptic number.

It is an amenable number.

210200112112009 is a deficient number, since it is larger than the sum of its proper divisors (13075782209951).

210200112112009 is a wasteful number, since it uses less digits than its factorization.

210200112112009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39503874059.

The product of its (nonzero) digits is 144, while the sum is 22.

The spelling of 210200112112009 in words is "two hundred ten trillion, two hundred billion, one hundred twelve million, one hundred twelve thousand, nine".