12121211023379 has 2 divisors, whose sum is σ = 12121211023380. Its totient is φ = 12121211023378.

The previous prime is 12121211023283. The next prime is 12121211023387. The reversal of 12121211023379 is 97332011212121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12121211023379 - 2⁸ = 12121211023123 is a prime.

It is not a weakly prime, because it can be changed into another prime (12121211023079) 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, 6060605511689 + 6060605511690.

It is an arithmetic number, because the mean of its divisors is an integer number (6060605511690).

Almost surely, 2^{12121211023379} is an apocalyptic number.

12121211023379 is a deficient number, since it is larger than the sum of its proper divisors (1).

12121211023379 is an equidigital number, since it uses as much as digits as its factorization.

12121211023379 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9072, while the sum is 35.

The spelling of 12121211023379 in words is "twelve trillion, one hundred twenty-one billion, two hundred eleven million, twenty-three thousand, three hundred seventy-nine".