12804040412 has 12 divisors (see below), whose sum is σ = 22429197336. Its totient is φ = 6395698320.

The previous prime is 12804040343. The next prime is 12804040423. The reversal of 12804040412 is 21404040821.

It is a congruent number.

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, 1575914 + ... + 1584017.

It is an arithmetic number, because the mean of its divisors is an integer number (1869099778).

Almost surely, 2^12804040412 is an apocalyptic number.

It is an amenable number.

12804040412 is a deficient number, since it is larger than the sum of its proper divisors (9625156924).

12804040412 is a wasteful number, since it uses less digits than its factorization.

12804040412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3160948 (or 3160946 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 26.

The spelling of 12804040412 in words is "twelve billion, eight hundred four million, forty thousand, four hundred twelve".