12100121333 has 2 divisors, whose sum is σ = 12100121334. Its totient is φ = 12100121332.

The previous prime is 12100121317. The next prime is 12100121339. The reversal of 12100121333 is 33312100121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10321137649 + 1778983684 = 101593^2 + 42178^2 .

It is an emirp because it is prime and its reverse (33312100121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12100121333 - 2⁴ = 12100121317 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12100121339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6050060666 + 6050060667.

It is an arithmetic number, because the mean of its divisors is an integer number (6050060667).

Almost surely, 2^12100121333 is an apocalyptic number.

It is an amenable number.

12100121333 is a deficient number, since it is larger than the sum of its proper divisors (1).

12100121333 is an equidigital number, since it uses as much as digits as its factorization.

12100121333 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 12100121333 its reverse (33312100121), we get a palindrome (45412221454).

The spelling of 12100121333 in words is "twelve billion, one hundred million, one hundred twenty-one thousand, three hundred thirty-three".