206617060012 has 48 divisors (see below), whose sum is σ = 414076400640. Its totient is φ = 89346772800.

The previous prime is 206617059989. The next prime is 206617060093. The reversal of 206617060012 is 210060716602.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1203243 + ... + 1364194.

It is an arithmetic number, because the mean of its divisors is an integer number (8626591680).

Almost surely, 2^206617060012 is an apocalyptic number.

206617060012 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

206617060012 is an abundant number, since it is smaller than the sum of its proper divisors (207459340628).

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

206617060012 is a wasteful number, since it uses less digits than its factorization.

206617060012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2567542 (or 2567540 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 31.

Adding to 206617060012 its reverse (210060716602), we get a palindrome (416677776614).

The spelling of 206617060012 in words is "two hundred six billion, six hundred seventeen million, sixty thousand, twelve".