12395432842 has 8 divisors (see below), whose sum is σ = 20023391556. Its totient is φ = 5720968992.

The previous prime is 12395432839. The next prime is 12395432867. The reversal of 12395432842 is 24823459321.

12395432842 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 9757685961 + 2637746881 = 98781^2 + 51359^2 .

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

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 238373683 + ... + 238373734.

Almost surely, 2^12395432842 is an apocalyptic number.

12395432842 is a deficient number, since it is larger than the sum of its proper divisors (7627958714).

12395432842 is a wasteful number, since it uses less digits than its factorization.

12395432842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 476747432.

The product of its digits is 414720, while the sum is 43.

The spelling of 12395432842 in words is "twelve billion, three hundred ninety-five million, four hundred thirty-two thousand, eight hundred forty-two".