17212072192 has 72 divisors (see below), whose sum is σ = 39818362752. Its totient is φ = 7272652800.

The previous prime is 17212072177. The next prime is 17212072193. The reversal of 17212072192 is 29127021271.

It is not an unprimeable number, because it can be changed into a prime (17212072193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59592 + ... + 194872.

It is an arithmetic number, because the mean of its divisors is an integer number (553032816).

Almost surely, 2^17212072192 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 17212072192, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19909181376).

17212072192 is an abundant number, since it is smaller than the sum of its proper divisors (22606290560).

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

17212072192 is an equidigital number, since it uses as much as digits as its factorization.

17212072192 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135375 (or 135361 counting only the distinct ones).

The product of its (nonzero) digits is 7056, while the sum is 34.

The spelling of 17212072192 in words is "seventeen billion, two hundred twelve million, seventy-two thousand, one hundred ninety-two".