12201000000281 has 2 divisors, whose sum is σ = 12201000000282. Its totient is φ = 12201000000280.

The previous prime is 12201000000179. The next prime is 12201000000313. The reversal of 12201000000281 is 18200000010221.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8192996000281 + 4008004000000 = 2862341^2 + 2002000^2 .

It is a cyclic number.

It is not a de Polignac number, because 12201000000281 - 2¹⁴ = 12200999983897 is a prime.

It is a super-2 number, since 2×12201000000281² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12201000002281) 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, 6100500000140 + 6100500000141.

It is an arithmetic number, because the mean of its divisors is an integer number (6100500000141).

Almost surely, 2^{12201000000281} is an apocalyptic number.

It is an amenable number.

12201000000281 is a deficient number, since it is larger than the sum of its proper divisors (1).

12201000000281 is an equidigital number, since it uses as much as digits as its factorization.

12201000000281 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 64, while the sum is 17.

The spelling of 12201000000281 in words is "twelve trillion, two hundred one billion, two hundred eighty-one", and thus it is an aban number.