12404124442 has 8 divisors (see below), whose sum is σ = 18606924756. Its totient is φ = 6201816192.

The previous prime is 12404124437. The next prime is 12404124487. The reversal of 12404124442 is 24442140421.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 7935068241 + 4469056201 = 89079^2 + 66851^2 .

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

It is a super-2 number, since 2×12404124442² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12404124442.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51733 + ... + 165784.

Almost surely, 2^12404124442 is an apocalyptic number.

12404124442 is a deficient number, since it is larger than the sum of its proper divisors (6202800314).

12404124442 is a wasteful number, since it uses less digits than its factorization.

12404124442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246032.

The product of its (nonzero) digits is 8192, while the sum is 28.

Adding to 12404124442 its reverse (24442140421), we get a palindrome (36846264863).

The spelling of 12404124442 in words is "twelve billion, four hundred four million, one hundred twenty-four thousand, four hundred forty-two".