206065563012 has 72 divisors (see below), whose sum is σ = 549190023200. Its totient is φ = 64968075648.

The previous prime is 206065562971. The next prime is 206065563029. The reversal of 206065563012 is 210365560602.

It is a happy number.

206065563012 is a `hidden beast` number, since 2 + 0 + 6 + 0 + 6 + 5 + 5 + 630 + 12 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 180048 + ... + 666744.

Almost surely, 2^206065563012 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 206065563012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (274595011600).

206065563012 is an abundant number, since it is smaller than the sum of its proper divisors (343124460188).

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

206065563012 is a wasteful number, since it uses less digits than its factorization.

206065563012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 487345 (or 487340 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 36.

The spelling of 206065563012 in words is "two hundred six billion, sixty-five million, five hundred sixty-three thousand, twelve".