12435020404 has 12 divisors (see below), whose sum is σ = 21960931300. Its totient is φ = 6160468608.

The previous prime is 12435020399. The next prime is 12435020471. The reversal of 12435020404 is 40402053421.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 4909804900 + 7525215504 = 70070^2 + 86748^2 .

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, 14259909 + ... + 14260780.

Almost surely, 2^12435020404 is an apocalyptic number.

It is an amenable number.

12435020404 is a deficient number, since it is larger than the sum of its proper divisors (9525910896).

12435020404 is a wasteful number, since it uses less digits than its factorization.

12435020404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28520802 (or 28520800 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 25.

Adding to 12435020404 its reverse (40402053421), we get a palindrome (52837073825).

The spelling of 12435020404 in words is "twelve billion, four hundred thirty-five million, twenty thousand, four hundred four".