12243432113021 has 2 divisors, whose sum is σ = 12243432113022. Its totient is φ = 12243432113020.

The previous prime is 12243432112937. The next prime is 12243432113023. The reversal of 12243432113021 is 12031123434221.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10309788904996 + 1933643208025 = 3210886^2 + 1390555^2 .

It is a cyclic number.

It is not a de Polignac number, because 12243432113021 - 2³⁰ = 12242358371197 is a prime.

It is a Sophie Germain prime.

Together with 12243432113023, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12243432113023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6121716056510 + 6121716056511.

It is an arithmetic number, because the mean of its divisors is an integer number (6121716056511).

Almost surely, 2^{12243432113021} is an apocalyptic number.

It is an amenable number.

12243432113021 is a deficient number, since it is larger than the sum of its proper divisors (1).

12243432113021 is an equidigital number, since it uses as much as digits as its factorization.

12243432113021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6912, while the sum is 29.

Adding to 12243432113021 its reverse (12031123434221), we get a palindrome (24274555547242).

The spelling of 12243432113021 in words is "twelve trillion, two hundred forty-three billion, four hundred thirty-two million, one hundred thirteen thousand, twenty-one".