12115004644 has 48 divisors (see below), whose sum is σ = 22698144000. Its totient is φ = 5638094336.

The previous prime is 12115004611. The next prime is 12115004647. The reversal of 12115004644 is 44640051121.

It is not an unprimeable number, because it can be changed into a prime (12115004647) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2419047 + ... + 2424049.

It is an arithmetic number, because the mean of its divisors is an integer number (472878000).

Almost surely, 2^12115004644 is an apocalyptic number.

It is an amenable number.

12115004644 is a deficient number, since it is larger than the sum of its proper divisors (10583139356).

12115004644 is a wasteful number, since it uses less digits than its factorization.

12115004644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5412 (or 5410 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 28.

Adding to 12115004644 its reverse (44640051121), we get a palindrome (56755055765).

The spelling of 12115004644 in words is "twelve billion, one hundred fifteen million, four thousand, six hundred forty-four".