12536004443 has 16 divisors (see below), whose sum is σ = 12749330880. Its totient is φ = 12324818304.

The previous prime is 12536004431. The next prime is 12536004457. The reversal of 12536004443 is 34440063521.

It is a cyclic number.

It is not a de Polignac number, because 12536004443 - 2²² = 12531810139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12536004413) 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, 10334105 + ... + 10335317.

It is an arithmetic number, because the mean of its divisors is an integer number (796833180).

Almost surely, 2^12536004443 is an apocalyptic number.

12536004443 is a deficient number, since it is larger than the sum of its proper divisors (213326437).

12536004443 is a wasteful number, since it uses less digits than its factorization.

12536004443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1958.

The product of its (nonzero) digits is 34560, while the sum is 32.

Adding to 12536004443 its reverse (34440063521), we get a palindrome (46976067964).

The spelling of 12536004443 in words is "twelve billion, five hundred thirty-six million, four thousand, four hundred forty-three".