12121025021179 has 2 divisors, whose sum is σ = 12121025021180. Its totient is φ = 12121025021178.

The previous prime is 12121025021153. The next prime is 12121025021201. The reversal of 12121025021179 is 97112052012121.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (97112052012121) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12121025021179 is a prime.

It is not a weakly prime, because it can be changed into another prime (12121025021279) 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, 6060512510589 + 6060512510590.

It is an arithmetic number, because the mean of its divisors is an integer number (6060512510590).

Almost surely, 2^{12121025021179} is an apocalyptic number.

12121025021179 is a deficient number, since it is larger than the sum of its proper divisors (1).

12121025021179 is an equidigital number, since it uses as much as digits as its factorization.

12121025021179 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5040, while the sum is 34.

The spelling of 12121025021179 in words is "twelve trillion, one hundred twenty-one billion, twenty-five million, twenty-one thousand, one hundred seventy-nine".