17212105051 has 2 divisors, whose sum is σ = 17212105052. Its totient is φ = 17212105050.

The previous prime is 17212105021. The next prime is 17212105069. The reversal of 17212105051 is 15050121271.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 17212105051 - 2²³ = 17203716443 is a prime.

It is not a weakly prime, because it can be changed into another prime (17212105021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8606052525 + 8606052526.

It is an arithmetic number, because the mean of its divisors is an integer number (8606052526).

Almost surely, 2^17212105051 is an apocalyptic number.

17212105051 is a deficient number, since it is larger than the sum of its proper divisors (1).

17212105051 is an equidigital number, since it uses as much as digits as its factorization.

17212105051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 700, while the sum is 25.

The spelling of 17212105051 in words is "seventeen billion, two hundred twelve million, one hundred five thousand, fifty-one".