12605046136 has 32 divisors (see below), whose sum is σ = 23760586080. Its totient is φ = 6268953600.

The previous prime is 12605046119. The next prime is 12605046143. The reversal of 12605046136 is 63164050621.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1860996 + ... + 1867756.

It is an arithmetic number, because the mean of its divisors is an integer number (742518315).

Almost surely, 2^12605046136 is an apocalyptic number.

It is an amenable number.

12605046136 is a deficient number, since it is larger than the sum of its proper divisors (11155539944).

12605046136 is a wasteful number, since it uses less digits than its factorization.

12605046136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7975 (or 7971 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 34.

Adding to 12605046136 its reverse (63164050621), we get a palindrome (75769096757).

The spelling of 12605046136 in words is "twelve billion, six hundred five million, forty-six thousand, one hundred thirty-six".