12800408052 has 24 divisors (see below), whose sum is σ = 29886089632. Its totient is φ = 4264164000.

The previous prime is 12800408021. The next prime is 12800408083. The reversal of 12800408052 is 25080400821.

It is an interprime number because it is at equal distance from previous prime (12800408021) and next prime (12800408083).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 309574 + ... + 348477.

Almost surely, 2^12800408052 is an apocalyptic number.

12800408052 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12800408052 is an abundant number, since it is smaller than the sum of its proper divisors (17085681580).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12800408052 is a wasteful number, since it uses less digits than its factorization.

12800408052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 659679 (or 659677 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 30.

Adding to 12800408052 its reverse (25080400821), we get a palindrome (37880808873).

The spelling of 12800408052 in words is "twelve billion, eight hundred million, four hundred eight thousand, fifty-two".