12210200002261 has 2 divisors, whose sum is σ = 12210200002262. Its totient is φ = 12210200002260.

The previous prime is 12210200002219. The next prime is 12210200002331. The reversal of 12210200002261 is 16220000201221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10043987100625 + 2166212901636 = 3169225^2 + 1471806^2 .

It is a cyclic number.

It is not a de Polignac number, because 12210200002261 - 2¹¹ = 12210200000213 is a prime.

It is a super-2 number, since 2×12210200002261² (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 (12210201002261) 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, 6105100001130 + 6105100001131.

It is an arithmetic number, because the mean of its divisors is an integer number (6105100001131).

Almost surely, 2^{12210200002261} is an apocalyptic number.

It is an amenable number.

12210200002261 is a deficient number, since it is larger than the sum of its proper divisors (1).

12210200002261 is an equidigital number, since it uses as much as digits as its factorization.

12210200002261 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 12210200002261 its reverse (16220000201221), we get a palindrome (28430200203482).

The spelling of 12210200002261 in words is "twelve trillion, two hundred ten billion, two hundred million, two thousand, two hundred sixty-one".