12542108804 has 12 divisors (see below), whose sum is σ = 22017931404. Its totient is φ = 6251271264.

The previous prime is 12542108797. The next prime is 12542108833. The reversal of 12542108804 is 40880124521.

It can be written as a sum of positive squares in 2 ways, for example, as 378224704 + 12163884100 = 19448^2 + 110290^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4944359 + ... + 4946894.

It is an arithmetic number, because the mean of its divisors is an integer number (1834827617).

Almost surely, 2^12542108804 is an apocalyptic number.

It is an amenable number.

12542108804 is a deficient number, since it is larger than the sum of its proper divisors (9475822600).

12542108804 is a wasteful number, since it uses less digits than its factorization.

12542108804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9891574 (or 9891572 counting only the distinct ones).

The product of its (nonzero) digits is 20480, while the sum is 35.

The spelling of 12542108804 in words is "twelve billion, five hundred forty-two million, one hundred eight thousand, eight hundred four".