122212000081 has 2 divisors, whose sum is σ = 122212000082. Its totient is φ = 122212000080.

The previous prime is 122212000063. The next prime is 122212000121. The reversal of 122212000081 is 180000212221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 100288755856 + 21923244225 = 316684^2 + 148065^2 .

It is a cyclic number.

It is not a de Polignac number, because 122212000081 - 2⁷ = 122211999953 is a prime.

It is a super-2 number, since 2×122212000081² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (122212090081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61106000040 + 61106000041.

It is an arithmetic number, because the mean of its divisors is an integer number (61106000041).

Almost surely, 2^122212000081 is an apocalyptic number.

It is an amenable number.

122212000081 is a deficient number, since it is larger than the sum of its proper divisors (1).

122212000081 is an equidigital number, since it uses as much as digits as its factorization.

122212000081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 128, while the sum is 19.

The spelling of 122212000081 in words is "one hundred twenty-two billion, two hundred twelve million, eighty-one", and thus it is an aban number.