200605212605 has 32 divisors (see below), whose sum is σ = 277102425600. Its totient is φ = 136567537920.

The previous prime is 200605212593. The next prime is 200605212607. The reversal of 200605212605 is 506212506002.

It is not a de Polignac number, because 200605212605 - 2⁴ = 200605212589 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200605212607) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3179627 + ... + 3242103.

It is an arithmetic number, because the mean of its divisors is an integer number (8659450800).

Almost surely, 2^200605212605 is an apocalyptic number.

It is an amenable number.

200605212605 is a deficient number, since it is larger than the sum of its proper divisors (76497212995).

200605212605 is a wasteful number, since it uses less digits than its factorization.

200605212605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63149.

The product of its (nonzero) digits is 7200, while the sum is 29.

Adding to 200605212605 its reverse (506212506002), we get a palindrome (706817718607).

The spelling of 200605212605 in words is "two hundred billion, six hundred five million, two hundred twelve thousand, six hundred five".