12120030300181 has 2 divisors, whose sum is σ = 12120030300182. Its totient is φ = 12120030300180.

The previous prime is 12120030300173. The next prime is 12120030300247. The reversal of 12120030300181 is 18100303002121.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6546771699556 + 5573258600625 = 2558666^2 + 2360775^2 .

It is a cyclic number.

It is not a de Polignac number, because 12120030300181 - 2³ = 12120030300173 is a prime.

It is a super-2 number, since 2×12120030300181² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12120030300121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6060015150090 + 6060015150091.

It is an arithmetic number, because the mean of its divisors is an integer number (6060015150091).

Almost surely, 2^{12120030300181} is an apocalyptic number.

It is an amenable number.

12120030300181 is a deficient number, since it is larger than the sum of its proper divisors (1).

12120030300181 is an equidigital number, since it uses as much as digits as its factorization.

12120030300181 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 22.

The spelling of 12120030300181 in words is "twelve trillion, one hundred twenty billion, thirty million, three hundred thousand, one hundred eighty-one".