12121250726327 has 2 divisors, whose sum is σ = 12121250726328. Its totient is φ = 12121250726326.

The previous prime is 12121250726303. The next prime is 12121250726339. The reversal of 12121250726327 is 72362705212121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12121250726327 - 2¹⁶ = 12121250660791 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12121250725327) 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, 6060625363163 + 6060625363164.

It is an arithmetic number, because the mean of its divisors is an integer number (6060625363164).

Almost surely, 2^{12121250726327} is an apocalyptic number.

12121250726327 is a deficient number, since it is larger than the sum of its proper divisors (1).

12121250726327 is an equidigital number, since it uses as much as digits as its factorization.

12121250726327 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 141120, while the sum is 41.

Adding to 12121250726327 its reverse (72362705212121), we get a palindrome (84483955938448).

The spelling of 12121250726327 in words is "twelve trillion, one hundred twenty-one billion, two hundred fifty million, seven hundred twenty-six thousand, three hundred twenty-seven".