12340403204 has 24 divisors (see below), whose sum is σ = 22318237368. Its totient is φ = 5966428160.

The previous prime is 12340403191. The next prime is 12340403239. The reversal of 12340403204 is 40230404321.

12340403204 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 4 ways, for example, as 1377894400 + 10962508804 = 37120^2 + 104702^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 12340403204.

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 7 ways as a sum of consecutive naturals, for example, 314417 + ... + 351480.

It is an arithmetic number, because the mean of its divisors is an integer number (929926557).

Almost surely, 2^12340403204 is an apocalyptic number.

It is an amenable number.

12340403204 is a deficient number, since it is larger than the sum of its proper divisors (9977834164).

12340403204 is a wasteful number, since it uses less digits than its factorization.

12340403204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 666055 (or 666053 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 23.

Adding to 12340403204 its reverse (40230404321), we get a palindrome (52570807525).

The spelling of 12340403204 in words is "twelve billion, three hundred forty million, four hundred three thousand, two hundred four".