12122222100049 has 2 divisors, whose sum is σ = 12122222100050. Its totient is φ = 12122222100048.

The previous prime is 12122222099971. The next prime is 12122222100161. The reversal of 12122222100049 is 94000122222121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8115291100225 + 4006930999824 = 2848735^2 + 2001732^2 .

It is a cyclic number.

It is not a de Polignac number, because 12122222100049 - 2⁷ = 12122222099921 is a prime.

It is not a weakly prime, because it can be changed into another prime (12122222100649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6061111050024 + 6061111050025.

It is an arithmetic number, because the mean of its divisors is an integer number (6061111050025).

Almost surely, 2^{12122222100049} is an apocalyptic number.

It is an amenable number.

12122222100049 is a deficient number, since it is larger than the sum of its proper divisors (1).

12122222100049 is an equidigital number, since it uses as much as digits as its factorization.

12122222100049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2304, while the sum is 28.

The spelling of 12122222100049 in words is "twelve trillion, one hundred twenty-two billion, two hundred twenty-two million, one hundred thousand, forty-nine".