12142423129 has 2 divisors, whose sum is σ = 12142423130. Its totient is φ = 12142423128.

The previous prime is 12142423127. The next prime is 12142423159. The reversal of 12142423129 is 92132424121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10273849600 + 1868573529 = 101360^2 + 43227^2 .

It is a cyclic number.

It is not a de Polignac number, because 12142423129 - 2¹ = 12142423127 is a prime.

Together with 12142423127, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 12142423129.

It is not a weakly prime, because it can be changed into another prime (12142423121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6071211564 + 6071211565.

It is an arithmetic number, because the mean of its divisors is an integer number (6071211565).

Almost surely, 2^12142423129 is an apocalyptic number.

It is an amenable number.

12142423129 is a deficient number, since it is larger than the sum of its proper divisors (1).

12142423129 is an equidigital number, since it uses as much as digits as its factorization.

12142423129 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6912, while the sum is 31.

The spelling of 12142423129 in words is "twelve billion, one hundred forty-two million, four hundred twenty-three thousand, one hundred twenty-nine".