12212302180121 has 2 divisors, whose sum is σ = 12212302180122. Its totient is φ = 12212302180120.

The previous prime is 12212302180097. The next prime is 12212302180193. The reversal of 12212302180121 is 12108120321221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9239557232896 + 2972744947225 = 3039664^2 + 1724165^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12212302180121 is a prime.

It is not a weakly prime, because it can be changed into another prime (12212302186121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6106151090060 + 6106151090061.

It is an arithmetic number, because the mean of its divisors is an integer number (6106151090061).

Almost surely, 2^{12212302180121} is an apocalyptic number.

It is an amenable number.

12212302180121 is a deficient number, since it is larger than the sum of its proper divisors (1).

12212302180121 is an equidigital number, since it uses as much as digits as its factorization.

12212302180121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 768, while the sum is 26.

The spelling of 12212302180121 in words is "twelve trillion, two hundred twelve billion, three hundred two million, one hundred eighty thousand, one hundred twenty-one".