12085240136 has 16 divisors (see below), whose sum is σ = 23390787840. Its totient is φ = 5847696720.

The previous prime is 12085240133. The next prime is 12085240157. The reversal of 12085240136 is 63104258021.

It is not an unprimeable number, because it can be changed into a prime (12085240133) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24365156 + ... + 24365651.

It is an arithmetic number, because the mean of its divisors is an integer number (1461924240).

Almost surely, 2^12085240136 is an apocalyptic number.

It is an amenable number.

12085240136 is a deficient number, since it is larger than the sum of its proper divisors (11305547704).

12085240136 is a wasteful number, since it uses less digits than its factorization.

12085240136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48730844 (or 48730840 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 32.

Adding to 12085240136 its reverse (63104258021), we get a palindrome (75189498157).

The spelling of 12085240136 in words is "twelve billion, eighty-five million, two hundred forty thousand, one hundred thirty-six".