205124147216 has 20 divisors (see below), whose sum is σ = 403025615424. Its totient is φ = 101117536800.

The previous prime is 205124147203. The next prime is 205124147323. The reversal of 205124147216 is 612741421502.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 90282380 + ... + 90284651.

Almost surely, 2^205124147216 is an apocalyptic number.

It is an amenable number.

205124147216 is a deficient number, since it is larger than the sum of its proper divisors (197901468208).

205124147216 is a wasteful number, since it uses less digits than its factorization.

205124147216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180567110 (or 180567104 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 35.

Adding to 205124147216 its reverse (612741421502), we get a palindrome (817865568718).

The spelling of 205124147216 in words is "two hundred five billion, one hundred twenty-four million, one hundred forty-seven thousand, two hundred sixteen".