12012021101029 has 2 divisors, whose sum is σ = 12012021101030. Its totient is φ = 12012021101028.

The previous prime is 12012021101009. The next prime is 12012021101071. The reversal of 12012021101029 is 92010112021021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7878940233025 + 4133080868004 = 2806945^2 + 2032998^2 .

It is a cyclic number.

It is not a de Polignac number, because 12012021101029 - 2¹¹ = 12012021098981 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12012021101009) 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, 6006010550514 + 6006010550515.

It is an arithmetic number, because the mean of its divisors is an integer number (6006010550515).

Almost surely, 2^{12012021101029} is an apocalyptic number.

It is an amenable number.

12012021101029 is a deficient number, since it is larger than the sum of its proper divisors (1).

12012021101029 is an equidigital number, since it uses as much as digits as its factorization.

12012021101029 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 22.

The spelling of 12012021101029 in words is "twelve trillion, twelve billion, twenty-one million, one hundred one thousand, twenty-nine".