12129861334411 has 2 divisors, whose sum is σ = 12129861334412. Its totient is φ = 12129861334410.

The previous prime is 12129861334309. The next prime is 12129861334501. The reversal of 12129861334411 is 11443316892121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12129861334411 - 2²⁹ = 12129324463499 is a prime.

It is not a weakly prime, because it can be changed into another prime (12129861334211) 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, 6064930667205 + 6064930667206.

It is an arithmetic number, because the mean of its divisors is an integer number (6064930667206).

Almost surely, 2^{12129861334411} is an apocalyptic number.

12129861334411 is a deficient number, since it is larger than the sum of its proper divisors (1).

12129861334411 is an equidigital number, since it uses as much as digits as its factorization.

12129861334411 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 248832, while the sum is 46.

The spelling of 12129861334411 in words is "twelve trillion, one hundred twenty-nine billion, eight hundred sixty-one million, three hundred thirty-four thousand, four hundred eleven".