17212072208 has 10 divisors (see below), whose sum is σ = 33348389934. Its totient is φ = 8606036096.

The previous prime is 17212072193. The next prime is 17212072211. The reversal of 17212072208 is 80227021271.

It can be written as a sum of positive squares in only one way, i.e., 15076892944 + 2135179264 = 122788^2 + 46208^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 537877241 + ... + 537877272.

Almost surely, 2^17212072208 is an apocalyptic number.

It is an amenable number.

17212072208 is a deficient number, since it is larger than the sum of its proper divisors (16136317726).

17212072208 is a wasteful number, since it uses less digits than its factorization.

17212072208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1075754521 (or 1075754515 counting only the distinct ones).

The product of its (nonzero) digits is 6272, while the sum is 32.

Adding to 17212072208 its reverse (80227021271), we get a palindrome (97439093479).

The spelling of 17212072208 in words is "seventeen billion, two hundred twelve million, seventy-two thousand, two hundred eight".