205532120112 has 40 divisors (see below), whose sum is σ = 579226885440. Its totient is φ = 62282460480.

The previous prime is 205532120111. The next prime is 205532120117. The reversal of 205532120112 is 211021235502.

205532120112 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (205532120111) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 194632162 + ... + 194633217.

It is an arithmetic number, because the mean of its divisors is an integer number (14480672136).

Almost surely, 2^205532120112 is an apocalyptic number.

205532120112 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

205532120112 is an abundant number, since it is smaller than the sum of its proper divisors (373694765328).

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

205532120112 is a wasteful number, since it uses less digits than its factorization.

205532120112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 389265401 (or 389265395 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 24.

Adding to 205532120112 its reverse (211021235502), we get a palindrome (416553355614).

The spelling of 205532120112 in words is "two hundred five billion, five hundred thirty-two million, one hundred twenty thousand, one hundred twelve".