12201211002061 has 2 divisors, whose sum is σ = 12201211002062. Its totient is φ = 12201211002060.

The previous prime is 12201211002059. The next prime is 12201211002103. The reversal of 12201211002061 is 16020011210221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11563441056036 + 637769946025 = 3400506^2 + 798605^2 .

It is a cyclic number.

It is not a de Polignac number, because 12201211002061 - 2¹ = 12201211002059 is a prime.

Together with 12201211002059, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12201211003061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6100605501030 + 6100605501031.

It is an arithmetic number, because the mean of its divisors is an integer number (6100605501031).

Almost surely, 2^{12201211002061} is an apocalyptic number.

It is an amenable number.

12201211002061 is a deficient number, since it is larger than the sum of its proper divisors (1).

12201211002061 is an equidigital number, since it uses as much as digits as its factorization.

12201211002061 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.

Adding to 12201211002061 its reverse (16020011210221), we get a palindrome (28221222212282).

The spelling of 12201211002061 in words is "twelve trillion, two hundred one billion, two hundred eleven million, two thousand, sixty-one".