12100333130261 has 2 divisors, whose sum is σ = 12100333130262. Its totient is φ = 12100333130260.

The previous prime is 12100333130231. The next prime is 12100333130297. The reversal of 12100333130261 is 16203133300121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11721516268900 + 378816861361 = 3423670^2 + 615481^2 .

It is a cyclic number.

It is not a de Polignac number, because 12100333130261 - 2¹⁰ = 12100333129237 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 12100333130261.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12100333130231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6050166565130 + 6050166565131.

It is an arithmetic number, because the mean of its divisors is an integer number (6050166565131).

Almost surely, 2^{12100333130261} is an apocalyptic number.

It is an amenable number.

12100333130261 is a deficient number, since it is larger than the sum of its proper divisors (1).

12100333130261 is an equidigital number, since it uses as much as digits as its factorization.

12100333130261 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1944, while the sum is 26.

Adding to 12100333130261 its reverse (16203133300121), we get a palindrome (28303466430382).

The spelling of 12100333130261 in words is "twelve trillion, one hundred billion, three hundred thirty-three million, one hundred thirty thousand, two hundred sixty-one".