12002210020181 has 2 divisors, whose sum is σ = 12002210020182. Its totient is φ = 12002210020180.

The previous prime is 12002210020139. The next prime is 12002210020211. The reversal of 12002210020181 is 18102001220021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11713738981156 + 288471039025 = 3422534^2 + 537095^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12002210020181 is a prime.

It is a super-2 number, since 2×12002210020181² (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 (12002210020981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6001105010090 + 6001105010091.

It is an arithmetic number, because the mean of its divisors is an integer number (6001105010091).

Almost surely, 2^{12002210020181} is an apocalyptic number.

It is an amenable number.

12002210020181 is a deficient number, since it is larger than the sum of its proper divisors (1).

12002210020181 is an equidigital number, since it uses as much as digits as its factorization.

12002210020181 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 20.

The spelling of 12002210020181 in words is "twelve trillion, two billion, two hundred ten million, twenty thousand, one hundred eighty-one".