17122051712 has 32 divisors (see below), whose sum is σ = 34116322500. Its totient is φ = 8559523840.

The previous prime is 17122051711. The next prime is 17122051741. The reversal of 17122051712 is 21715022171.

It is a happy number.

17122051712 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 15073946176 + 2048105536 = 122776^2 + 45256^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is not an unprimeable number, because it can be changed into a prime (17122051711) 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 in 3 ways as a sum of consecutive naturals, for example, 1241012 + ... + 1254732.

Almost surely, 2^17122051712 is an apocalyptic number.

It is an amenable number.

17122051712 is a deficient number, since it is larger than the sum of its proper divisors (16994270788).

17122051712 is an equidigital number, since it uses as much as digits as its factorization.

17122051712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23484 (or 23472 counting only the distinct ones).

The product of its (nonzero) digits is 1960, while the sum is 29.

Adding to 17122051712 its reverse (21715022171), we get a palindrome (38837073883).

The spelling of 17122051712 in words is "seventeen billion, one hundred twenty-two million, fifty-one thousand, seven hundred twelve".