12012102012389 has 2 divisors, whose sum is σ = 12012102012390. Its totient is φ = 12012102012388.

The previous prime is 12012102012319. The next prime is 12012102012419. The reversal of 12012102012389 is 98321020121021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6722699995489 + 5289402016900 = 2592817^2 + 2299870^2 .

It is an emirp because it is prime and its reverse (98321020121021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12012102012389 - 2³² = 12007807045093 is a prime.

It is a super-3 number, since 3×12012102012389³ (a number of 40 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12012102012319) 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, 6006051006194 + 6006051006195.

It is an arithmetic number, because the mean of its divisors is an integer number (6006051006195).

Almost surely, 2^{12012102012389} is an apocalyptic number.

It is an amenable number.

12012102012389 is a deficient number, since it is larger than the sum of its proper divisors (1).

12012102012389 is an equidigital number, since it uses as much as digits as its factorization.

12012102012389 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 32.

The spelling of 12012102012389 in words is "twelve trillion, twelve billion, one hundred two million, twelve thousand, three hundred eighty-nine".