12342233129 has 2 divisors, whose sum is σ = 12342233130. Its totient is φ = 12342233128.

The previous prime is 12342233083. The next prime is 12342233131. The reversal of 12342233129 is 92133224321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9705205225 + 2637027904 = 98515^2 + 51352^2 .

It is an emirp because it is prime and its reverse (92133224321) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12342233129 is a prime.

It is a super-2 number, since 2×12342233129² (a number of 21 digits) contains 22 as substring.

Together with 12342233131, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 12342233095 and 12342233104.

It is not a weakly prime, because it can be changed into another prime (12342233179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6171116564 + 6171116565.

It is an arithmetic number, because the mean of its divisors is an integer number (6171116565).

Almost surely, 2^12342233129 is an apocalyptic number.

It is an amenable number.

12342233129 is a deficient number, since it is larger than the sum of its proper divisors (1).

12342233129 is an equidigital number, since it uses as much as digits as its factorization.

12342233129 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15552, while the sum is 32.

The spelling of 12342233129 in words is "twelve billion, three hundred forty-two million, two hundred thirty-three thousand, one hundred twenty-nine".