9703208272172 has 12 divisors (see below), whose sum is σ = 16981225286760. Its totient is φ = 4851429618816.

The previous prime is 9703208272141. The next prime is 9703208272207. The reversal of 9703208272172 is 2712728023079.

It is a self number, because there is not a number n which added to its sum of digits gives 9703208272172.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43504178 + ... + 43726649.

It is an arithmetic number, because the mean of its divisors is an integer number (1415102107230).

Almost surely, 2^{9703208272172} is an apocalyptic number.

It is an amenable number.

9703208272172 is a deficient number, since it is larger than the sum of its proper divisors (7278017014588).

9703208272172 is a wasteful number, since it uses less digits than its factorization.

9703208272172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87258640 (or 87258638 counting only the distinct ones).

The product of its (nonzero) digits is 1185408, while the sum is 50.

The spelling of 9703208272172 in words is "nine trillion, seven hundred three billion, two hundred eight million, two hundred seventy-two thousand, one hundred seventy-two".