12404142347 has 2 divisors, whose sum is σ = 12404142348. Its totient is φ = 12404142346.

The previous prime is 12404142301. The next prime is 12404142349. The reversal of 12404142347 is 74324140421.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12404142347 - 2¹² = 12404138251 is a prime.

Together with 12404142349, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (12404142349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6202071173 + 6202071174.

It is an arithmetic number, because the mean of its divisors is an integer number (6202071174).

Almost surely, 2^12404142347 is an apocalyptic number.

12404142347 is a deficient number, since it is larger than the sum of its proper divisors (1).

12404142347 is an equidigital number, since it uses as much as digits as its factorization.

12404142347 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21504, while the sum is 32.

Adding to 12404142347 its reverse (74324140421), we get a palindrome (86728282768).

The spelling of 12404142347 in words is "twelve billion, four hundred four million, one hundred forty-two thousand, three hundred forty-seven".