12340310434 has 8 divisors (see below), whose sum is σ = 19148757660. Its totient is φ = 5957391216.

The previous prime is 12340310429. The next prime is 12340310501. The reversal of 12340310434 is 43401304321.

12340310434 is digitally balanced in base 2 and base 5, because in such bases 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 11620193209 + 720117225 = 107797^2 + 26835^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 12340310399 and 12340310408.

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, 106381929 + ... + 106382044.

Almost surely, 2^12340310434 is an apocalyptic number.

12340310434 is a deficient number, since it is larger than the sum of its proper divisors (6808447226).

12340310434 is a wasteful number, since it uses less digits than its factorization.

12340310434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212764004.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 12340310434 its reverse (43401304321), we get a palindrome (55741614755).

The spelling of 12340310434 in words is "twelve billion, three hundred forty million, three hundred ten thousand, four hundred thirty-four".