122143323212189 has 2 divisors, whose sum is σ = 122143323212190. Its totient is φ = 122143323212188.

The previous prime is 122143323212153. The next prime is 122143323212297. The reversal of 122143323212189 is 981212323341221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 122143211592964 + 111619225 = 11051842^2 + 10565^2 .

It is a cyclic number.

It is not a de Polignac number, because 122143323212189 - 2⁴⁴ = 104551137167773 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122143323212149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61071661606094 + 61071661606095.

It is an arithmetic number, because the mean of its divisors is an integer number (61071661606095).

Almost surely, 2^{122143323212189} is an apocalyptic number.

It is an amenable number.

122143323212189 is a deficient number, since it is larger than the sum of its proper divisors (1).

122143323212189 is an equidigital number, since it uses as much as digits as its factorization.

122143323212189 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 248832, while the sum is 44.

The spelling of 122143323212189 in words is "one hundred twenty-two trillion, one hundred forty-three billion, three hundred twenty-three million, two hundred twelve thousand, one hundred eighty-nine".