122212030931989 has 2 divisors, whose sum is σ = 122212030931990. Its totient is φ = 122212030931988.

The previous prime is 122212030931941. The next prime is 122212030932001. The reversal of 122212030931989 is 989139030212221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 70408629270225 + 51803401661764 = 8390985^2 + 7197458^2 .

It is a cyclic number.

It is not a de Polignac number, because 122212030931989 - 2⁹ = 122212030931477 is a prime.

It is a super-2 number, since 2×122212030931989² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122212030931189) 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, 61106015465994 + 61106015465995.

It is an arithmetic number, because the mean of its divisors is an integer number (61106015465995).

Almost surely, 2^{122212030931989} is an apocalyptic number.

It is an amenable number.

122212030931989 is a deficient number, since it is larger than the sum of its proper divisors (1).

122212030931989 is an equidigital number, since it uses as much as digits as its factorization.

122212030931989 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 839808, while the sum is 52.

The spelling of 122212030931989 in words is "one hundred twenty-two trillion, two hundred twelve billion, thirty million, nine hundred thirty-one thousand, nine hundred eighty-nine".