205303621600212 has 24 divisors (see below), whose sum is σ = 483518809753056. Its totient is φ = 67794965387808.

The previous prime is 205303621600211. The next prime is 205303621600213. The reversal of 205303621600212 is 212006126303502.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (205303621600211) and next prime (205303621600213).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (205303621600211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79946891863 + ... + 79946894430.

It is an arithmetic number, because the mean of its divisors is an integer number (20146617073044).

Almost surely, 2^{205303621600212} is an apocalyptic number.

It is an amenable number.

205303621600212 is an abundant number, since it is smaller than the sum of its proper divisors (278215188152844).

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

205303621600212 is a wasteful number, since it uses less digits than its factorization.

205303621600212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159893786407 (or 159893786405 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 33.

Adding to 205303621600212 its reverse (212006126303502), we get a palindrome (417309747903714).

The spelling of 205303621600212 in words is "two hundred five trillion, three hundred three billion, six hundred twenty-one million, six hundred thousand, two hundred twelve".