17201085812 has 6 divisors (see below), whose sum is σ = 30101900178. Its totient is φ = 8600542904.

The previous prime is 17201085791. The next prime is 17201085823. The reversal of 17201085812 is 21858010271.

It can be written as a sum of positive squares in only one way, i.e., 14267346916 + 2933738896 = 119446^2 + 54164^2 .

It is a super-2 number, since 2×17201085812² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2150135723 + ... + 2150135730.

It is an arithmetic number, because the mean of its divisors is an integer number (5016983363).

Almost surely, 2^17201085812 is an apocalyptic number.

It is an amenable number.

17201085812 is a deficient number, since it is larger than the sum of its proper divisors (12900814366).

17201085812 is a wasteful number, since it uses less digits than its factorization.

17201085812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4300271457 (or 4300271455 counting only the distinct ones).

The product of its (nonzero) digits is 8960, while the sum is 35.

The spelling of 17201085812 in words is "seventeen billion, two hundred one million, eighty-five thousand, eight hundred twelve".