17212105057 has 8 divisors (see below), whose sum is σ = 19680843456. Its totient is φ = 14745833232.

The previous prime is 17212105051. The next prime is 17212105069. The reversal of 17212105057 is 75050121271.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 17212105057 - 2²⁷ = 17077887329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (17212105051) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 601663 + ... + 629620.

It is an arithmetic number, because the mean of its divisors is an integer number (2460105432).

Almost surely, 2^17212105057 is an apocalyptic number.

It is an amenable number.

17212105057 is a deficient number, since it is larger than the sum of its proper divisors (2468738399).

17212105057 is a wasteful number, since it uses less digits than its factorization.

17212105057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1233287.

The product of its (nonzero) digits is 4900, while the sum is 31.

The spelling of 17212105057 in words is "seventeen billion, two hundred twelve million, one hundred five thousand, fifty-seven".