12003210181 has 2 divisors, whose sum is σ = 12003210182. Its totient is φ = 12003210180.

The previous prime is 12003210133. The next prime is 12003210209. The reversal of 12003210181 is 18101230021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8154993025 + 3848217156 = 90305^2 + 62034^2 .

It is a cyclic number.

It is not a de Polignac number, because 12003210181 - 2⁷ = 12003210053 is a prime.

It is a super-2 number, since 2×12003210181² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12003210481) 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, 6001605090 + 6001605091.

It is an arithmetic number, because the mean of its divisors is an integer number (6001605091).

Almost surely, 2^12003210181 is an apocalyptic number.

It is an amenable number.

12003210181 is a deficient number, since it is larger than the sum of its proper divisors (1).

12003210181 is an equidigital number, since it uses as much as digits as its factorization.

12003210181 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96, while the sum is 19.

The spelling of 12003210181 in words is "twelve billion, three million, two hundred ten thousand, one hundred eighty-one".