209320194650112 has 2496 divisors, whose sum is σ = 804254697652224. Its totient is φ = 52913547509760.

The previous prime is 209320194649963. The next prime is 209320194650159. The reversal of 209320194650112 is 211056491023902.

It is a happy number.

209320194650112 is a `hidden beast` number, since 2 + 0 + 93 + 2 + 0 + 1 + 9 + 46 + 501 + 12 = 666.

It is a tau number, because it is divible by the number of its divisors (2496).

It is a super-2 number, since 2×209320194650112² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 356593176283 + ... + 356593176869.

It is an arithmetic number, because the mean of its divisors is an integer number (322217426944).

Almost surely, 2^{209320194650112} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 209320194650112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (402127348826112).

209320194650112 is an abundant number, since it is smaller than the sum of its proper divisors (594934503002112).

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

209320194650112 is a wasteful number, since it uses less digits than its factorization.

209320194650112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 804 (or 770 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 45.

The spelling of 209320194650112 in words is "two hundred nine trillion, three hundred twenty billion, one hundred ninety-four million, six hundred fifty thousand, one hundred twelve".