12012220012139 has 2 divisors, whose sum is σ = 12012220012140. Its totient is φ = 12012220012138.

The previous prime is 12012220012057. The next prime is 12012220012193. The reversal of 12012220012139 is 93121002221021.

Together with next prime (12012220012193) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12012220012139 is a prime.

It is not a weakly prime, because it can be changed into another prime (12012220012739) 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, 6006110006069 + 6006110006070.

It is an arithmetic number, because the mean of its divisors is an integer number (6006110006070).

Almost surely, 2^{12012220012139} is an apocalyptic number.

12012220012139 is a deficient number, since it is larger than the sum of its proper divisors (1).

12012220012139 is an equidigital number, since it uses as much as digits as its factorization.

12012220012139 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 26.

The spelling of 12012220012139 in words is "twelve trillion, twelve billion, two hundred twenty million, twelve thousand, one hundred thirty-nine".