12012011010149 has 2 divisors, whose sum is σ = 12012011010150. Its totient is φ = 12012011010148.

The previous prime is 12012011010079. The next prime is 12012011010161. The reversal of 12012011010149 is 94101011021021.

12012011010149 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7676529129025 + 4335481881124 = 2770655^2 + 2082182^2 .

It is an emirp because it is prime and its reverse (94101011021021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12012011010149 - 2²⁴ = 12011994232933 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12012011010749) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6006005505074 + 6006005505075.

It is an arithmetic number, because the mean of its divisors is an integer number (6006005505075).

Almost surely, 2^{12012011010149} is an apocalyptic number.

It is an amenable number.

12012011010149 is a deficient number, since it is larger than the sum of its proper divisors (1).

12012011010149 is an equidigital number, since it uses as much as digits as its factorization.

12012011010149 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 23.

The spelling of 12012011010149 in words is "twelve trillion, twelve billion, eleven million, ten thousand, one hundred forty-nine".