12121212210007 has 2 divisors, whose sum is σ = 12121212210008. Its totient is φ = 12121212210006.

The previous prime is 12121212209999. The next prime is 12121212210013. The reversal of 12121212210007 is 70001221212121.

It is a strong prime.

It is an emirp because it is prime and its reverse (70001221212121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12121212210007 - 2³ = 12121212209999 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12121212210007.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12121212213007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6060606105003 + 6060606105004.

It is an arithmetic number, because the mean of its divisors is an integer number (6060606105004).

Almost surely, 2^{12121212210007} is an apocalyptic number.

12121212210007 is a deficient number, since it is larger than the sum of its proper divisors (1).

12121212210007 is an equidigital number, since it uses as much as digits as its factorization.

12121212210007 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 224, while the sum is 22.

Adding to 12121212210007 its reverse (70001221212121), we get a palindrome (82122433422128).

The spelling of 12121212210007 in words is "twelve trillion, one hundred twenty-one billion, two hundred twelve million, two hundred ten thousand, seven".