12012201121313 has 2 divisors, whose sum is σ = 12012201121314. Its totient is φ = 12012201121312.

The previous prime is 12012201121289. The next prime is 12012201121321. The reversal of 12012201121313 is 31312110221021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11841361912384 + 170839208929 = 3441128^2 + 413327^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12012201121313 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (12012201121373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6006100560656 + 6006100560657.

It is an arithmetic number, because the mean of its divisors is an integer number (6006100560657).

Almost surely, 2^{12012201121313} is an apocalyptic number.

It is an amenable number.

12012201121313 is a deficient number, since it is larger than the sum of its proper divisors (1).

12012201121313 is an equidigital number, since it uses as much as digits as its factorization.

12012201121313 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 12012201121313 its reverse (31312110221021), we get a palindrome (43324311342334).

The spelling of 12012201121313 in words is "twelve trillion, twelve billion, two hundred one million, one hundred twenty-one thousand, three hundred thirteen".