17012116812 has 12 divisors (see below), whose sum is σ = 39694939256. Its totient is φ = 5670705600.

The previous prime is 17012116783. The next prime is 17012116813. The reversal of 17012116812 is 21861121071.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 17012116812.

It is not an unprimeable number, because it can be changed into a prime (17012116813) 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, 708838189 + ... + 708838212.

Almost surely, 2^17012116812 is an apocalyptic number.

17012116812 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

17012116812 is an abundant number, since it is smaller than the sum of its proper divisors (22682822444).

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

17012116812 is a wasteful number, since it uses less digits than its factorization.

17012116812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1417676408 (or 1417676406 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 30.

Adding to 17012116812 its reverse (21861121071), we get a palindrome (38873237883).

The spelling of 17012116812 in words is "seventeen billion, twelve million, one hundred sixteen thousand, eight hundred twelve".