12121250725351 has 2 divisors, whose sum is σ = 12121250725352. Its totient is φ = 12121250725350.

The previous prime is 12121250725327. The next prime is 12121250725373. The reversal of 12121250725351 is 15352705212121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12121250725351 - 2¹⁵ = 12121250692583 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12121250725351.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12121250725301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6060625362675 + 6060625362676.

It is an arithmetic number, because the mean of its divisors is an integer number (6060625362676).

Almost surely, 2^{12121250725351} is an apocalyptic number.

12121250725351 is a deficient number, since it is larger than the sum of its proper divisors (1).

12121250725351 is an equidigital number, since it uses as much as digits as its factorization.

12121250725351 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 42000, while the sum is 37.

Adding to 12121250725351 its reverse (15352705212121), we get a palindrome (27473955937472).

The spelling of 12121250725351 in words is "twelve trillion, one hundred twenty-one billion, two hundred fifty million, seven hundred twenty-five thousand, three hundred fifty-one".