12440134204 has 12 divisors (see below), whose sum is σ = 21773654728. Its totient is φ = 6219090000.

The previous prime is 12440134199. The next prime is 12440134211. The reversal of 12440134204 is 40243104421.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 215247 + ... + 266854.

Almost surely, 2^12440134204 is an apocalyptic number.

It is an amenable number.

12440134204 is a deficient number, since it is larger than the sum of its proper divisors (9333520524).

12440134204 is a wasteful number, since it uses less digits than its factorization.

12440134204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 488556 (or 488554 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 12440134204 its reverse (40243104421), we get a palindrome (52683238625).

The spelling of 12440134204 in words is "twelve billion, four hundred forty million, one hundred thirty-four thousand, two hundred four".