12031423210109 has 2 divisors, whose sum is σ = 12031423210110. Its totient is φ = 12031423210108.

The previous prime is 12031423210099. The next prime is 12031423210117. The reversal of 12031423210109 is 90101232413021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11451422160025 + 580001050084 = 3383995^2 + 761578^2 .

It is an emirp because it is prime and its reverse (90101232413021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12031423210109 - 2²⁴ = 12031406432893 is a prime.

It is a super-3 number, since 3×12031423210109³ (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 (12031429210109) 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, 6015711605054 + 6015711605055.

It is an arithmetic number, because the mean of its divisors is an integer number (6015711605055).

Almost surely, 2^{12031423210109} is an apocalyptic number.

It is an amenable number.

12031423210109 is a deficient number, since it is larger than the sum of its proper divisors (1).

12031423210109 is an equidigital number, since it uses as much as digits as its factorization.

12031423210109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 29.

The spelling of 12031423210109 in words is "twelve trillion, thirty-one billion, four hundred twenty-three million, two hundred ten thousand, one hundred nine".