12142434305 has 8 divisors (see below), whose sum is σ = 14583203712. Its totient is φ = 9705759088.

The previous prime is 12142434301. The next prime is 12142434307. The reversal of 12142434305 is 50343424121.

12142434305 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12142434305 - 2² = 12142434301 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12142434301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1017017 + ... + 1028886.

It is an arithmetic number, because the mean of its divisors is an integer number (1822900464).

Almost surely, 2^12142434305 is an apocalyptic number.

It is an amenable number.

12142434305 is a deficient number, since it is larger than the sum of its proper divisors (2440769407).

12142434305 is a wasteful number, since it uses less digits than its factorization.

12142434305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2047095.

The product of its (nonzero) digits is 11520, while the sum is 29.

Adding to 12142434305 its reverse (50343424121), we get a palindrome (62485858426).

The spelling of 12142434305 in words is "twelve billion, one hundred forty-two million, four hundred thirty-four thousand, three hundred five".