201543350112 has 144 divisors (see below), whose sum is σ = 623590793280. Its totient is φ = 61373915136.

The previous prime is 201543350093. The next prime is 201543350143. The reversal of 201543350112 is 211053345102.

201543350112 is a `hidden beast` number, since 2 + 0 + 1 + 543 + 3 + 5 + 0 + 112 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 85689 + ... + 640647.

It is an arithmetic number, because the mean of its divisors is an integer number (4330491620).

Almost surely, 2^201543350112 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 201543350112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (311795396640).

201543350112 is an abundant number, since it is smaller than the sum of its proper divisors (422047443168).

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

201543350112 is a wasteful number, since it uses less digits than its factorization.

201543350112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 555085 (or 555074 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

Adding to 201543350112 its reverse (211053345102), we get a palindrome (412596695214).

The spelling of 201543350112 in words is "two hundred one billion, five hundred forty-three million, three hundred fifty thousand, one hundred twelve".