12222104543917 has 2 divisors, whose sum is σ = 12222104543918. Its totient is φ = 12222104543916.

The previous prime is 12222104543897. The next prime is 12222104543941. The reversal of 12222104543917 is 71934540122221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9163177001476 + 3058927542441 = 3027074^2 + 1748979^2 .

It is a cyclic number.

It is not a de Polignac number, because 12222104543917 - 2²³ = 12222096155309 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12222104543947) 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, 6111052271958 + 6111052271959.

It is an arithmetic number, because the mean of its divisors is an integer number (6111052271959).

Almost surely, 2^{12222104543917} is an apocalyptic number.

It is an amenable number.

12222104543917 is a deficient number, since it is larger than the sum of its proper divisors (1).

12222104543917 is an equidigital number, since it uses as much as digits as its factorization.

12222104543917 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 241920, while the sum is 43.

The spelling of 12222104543917 in words is "twelve trillion, two hundred twenty-two billion, one hundred four million, five hundred forty-three thousand, nine hundred seventeen".