12588721004 has 12 divisors (see below), whose sum is σ = 22031047584. Its totient is φ = 6294135984.

The previous prime is 12588721003. The next prime is 12588721141. The reversal of 12588721004 is 40012788521.

It is not an unprimeable number, because it can be changed into a prime (12588721003) 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, 188162 + ... + 246134.

It is an arithmetic number, because the mean of its divisors is an integer number (1835920632).

Almost surely, 2^12588721004 is an apocalyptic number.

It is an amenable number.

12588721004 is a deficient number, since it is larger than the sum of its proper divisors (9442326580).

12588721004 is a wasteful number, since it uses less digits than its factorization.

12588721004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112264 (or 112262 counting only the distinct ones).

The product of its (nonzero) digits is 35840, while the sum is 38.

The spelling of 12588721004 in words is "twelve billion, five hundred eighty-eight million, seven hundred twenty-one thousand, four".