100565650205212 has 12 divisors (see below), whose sum is σ = 180082675949176. Its totient is φ = 49113457076880.

The previous prime is 100565650205161. The next prime is 100565650205213. The reversal of 100565650205212 is 212502056565001.

It is a super-2 number, since 2×100565650205212² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100565650205213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 292342006239 + ... + 292342006582.

Almost surely, 2^{100565650205212} is an apocalyptic number.

It is an amenable number.

100565650205212 is a deficient number, since it is larger than the sum of its proper divisors (79517025743964).

100565650205212 is a wasteful number, since it uses less digits than its factorization.

100565650205212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 584684012868 (or 584684012866 counting only the distinct ones).

The product of its (nonzero) digits is 180000, while the sum is 40.

The spelling of 100565650205212 in words is "one hundred trillion, five hundred sixty-five billion, six hundred fifty million, two hundred five thousand, two hundred twelve".