209603396112 has 240 divisors, whose sum is σ = 644854351680. Its totient is φ = 58388520960.

The previous prime is 209603396029. The next prime is 209603396113. The reversal of 209603396112 is 211693306902.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (209603396113) 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 47 ways as a sum of consecutive naturals, for example, 4220964 + ... + 4270332.

It is an arithmetic number, because the mean of its divisors is an integer number (2686893132).

Almost surely, 2^209603396112 is an apocalyptic number.

209603396112 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 209603396112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (322427175840).

209603396112 is an abundant number, since it is smaller than the sum of its proper divisors (435250955568).

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

209603396112 is a wasteful number, since it uses less digits than its factorization.

209603396112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49462 (or 49445 counting only the distinct ones).

The product of its (nonzero) digits is 104976, while the sum is 42.

The spelling of 209603396112 in words is "two hundred nine billion, six hundred three million, three hundred ninety-six thousand, one hundred twelve".