12011202001217 has 2 divisors, whose sum is σ = 12011202001218. Its totient is φ = 12011202001216.

The previous prime is 12011202001207. The next prime is 12011202001223. The reversal of 12011202001217 is 71210020211021.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6900871556401 + 5110330444816 = 2626951^2 + 2260604^2 .

It is a cyclic number.

It is not a de Polignac number, because 12011202001217 - 2³² = 12006907033921 is a prime.

It is not a weakly prime, because it can be changed into another prime (12011202001207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6005601000608 + 6005601000609.

It is an arithmetic number, because the mean of its divisors is an integer number (6005601000609).

Almost surely, 2^{12011202001217} is an apocalyptic number.

It is an amenable number.

12011202001217 is a deficient number, since it is larger than the sum of its proper divisors (1).

12011202001217 is an equidigital number, since it uses as much as digits as its factorization.

12011202001217 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 112, while the sum is 20.

Adding to 12011202001217 its reverse (71210020211021), we get a palindrome (83221222212238).

The spelling of 12011202001217 in words is "twelve trillion, eleven billion, two hundred two million, one thousand, two hundred seventeen".