12000021110017 has 2 divisors, whose sum is σ = 12000021110018. Its totient is φ = 12000021110016.

The previous prime is 12000021109963. The next prime is 12000021110071. The reversal of 12000021110017 is 71001112000021.

Together with next prime (12000021110071) it forms an Ormiston pair, because they use the same digits, order apart.

It is a balanced prime because it is at equal distance from previous prime (12000021109963) and next prime (12000021110071).

It can be written as a sum of positive squares in only one way, i.e., 10261233395856 + 1738787714161 = 3203316^2 + 1318631^2 .

It is a cyclic number.

It is not a de Polignac number, because 12000021110017 - 2¹¹ = 12000021107969 is a prime.

It is not a weakly prime, because it can be changed into another prime (12000021110317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6000010555008 + 6000010555009.

It is an arithmetic number, because the mean of its divisors is an integer number (6000010555009).

Almost surely, 2^{12000021110017} is an apocalyptic number.

It is an amenable number.

12000021110017 is a deficient number, since it is larger than the sum of its proper divisors (1).

12000021110017 is an equidigital number, since it uses as much as digits as its factorization.

12000021110017 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 28, while the sum is 16.

Adding to 12000021110017 its reverse (71001112000021), we get a palindrome (83001133110038).

The spelling of 12000021110017 in words is "twelve trillion, twenty-one million, one hundred ten thousand, seventeen".