12011133121291 has 2 divisors, whose sum is σ = 12011133121292. Its totient is φ = 12011133121290.

The previous prime is 12011133121159. The next prime is 12011133121333. The reversal of 12011133121291 is 19212133111021.

It is a strong prime.

It is an emirp because it is prime and its reverse (19212133111021) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12011133121291 is a prime.

It is not a weakly prime, because it can be changed into another prime (12011133121391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6005566560645 + 6005566560646.

It is an arithmetic number, because the mean of its divisors is an integer number (6005566560646).

Almost surely, 2^{12011133121291} is an apocalyptic number.

12011133121291 is a deficient number, since it is larger than the sum of its proper divisors (1).

12011133121291 is an equidigital number, since it uses as much as digits as its factorization.

12011133121291 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 28.

The spelling of 12011133121291 in words is "twelve trillion, eleven billion, one hundred thirty-three million, one hundred twenty-one thousand, two hundred ninety-one".