12038508585 has 24 divisors (see below), whose sum is σ = 21964999680. Its totient is φ = 6082614432.

The previous prime is 12038508569. The next prime is 12038508617. The reversal of 12038508585 is 58580583021.

12038508585 is a `hidden beast` number, since 12 + 0 + 3 + 8 + 50 + 8 + 585 = 666.

It is not a de Polignac number, because 12038508585 - 2⁴ = 12038508569 is a prime.

It is a super-2 number, since 2×12038508585² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 12038508585.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7039209 + ... + 7040918.

It is an arithmetic number, because the mean of its divisors is an integer number (915208320).

Almost surely, 2^12038508585 is an apocalyptic number.

12038508585 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12038508585 is a deficient number, since it is larger than the sum of its proper divisors (9926491095).

12038508585 is a wasteful number, since it uses less digits than its factorization.

12038508585 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14080157 (or 14080154 counting only the distinct ones).

The product of its (nonzero) digits is 384000, while the sum is 45.

The spelling of 12038508585 in words is "twelve billion, thirty-eight million, five hundred eight thousand, five hundred eighty-five".