12220330232081 has 2 divisors, whose sum is σ = 12220330232082. Its totient is φ = 12220330232080.

The previous prime is 12220330232029. The next prime is 12220330232083. The reversal of 12220330232081 is 18023203302221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12151917121600 + 68413110481 = 3485960^2 + 261559^2 .

It is a cyclic number.

It is not a de Polignac number, because 12220330232081 - 2⁶ = 12220330232017 is a prime.

It is a super-2 number, since 2×12220330232081² (a number of 27 digits) contains 22 as substring.

Together with 12220330232083, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (12220330232083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6110165116040 + 6110165116041.

It is an arithmetic number, because the mean of its divisors is an integer number (6110165116041).

Almost surely, 2^{12220330232081} is an apocalyptic number.

It is an amenable number.

12220330232081 is a deficient number, since it is larger than the sum of its proper divisors (1).

12220330232081 is an equidigital number, since it uses as much as digits as its factorization.

12220330232081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6912, while the sum is 29.

The spelling of 12220330232081 in words is "twelve trillion, two hundred twenty billion, three hundred thirty million, two hundred thirty-two thousand, eighty-one".