12881842580 has 12 divisors (see below), whose sum is σ = 27051869460. Its totient is φ = 5152737024.

The previous prime is 12881842573. The next prime is 12881842607. The reversal of 12881842580 is 8524818821.

It can be written as a sum of positive squares in 2 ways, for example, as 9185688964 + 3696153616 = 95842^2 + 60796^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 322046045 + ... + 322046084.

It is an arithmetic number, because the mean of its divisors is an integer number (2254322455).

Almost surely, 2^12881842580 is an apocalyptic number.

12881842580 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12881842580 is an abundant number, since it is smaller than the sum of its proper divisors (14170026880).

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

12881842580 is a wasteful number, since it uses less digits than its factorization.

12881842580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 644092138 (or 644092136 counting only the distinct ones).

The product of its (nonzero) digits is 327680, while the sum is 47.

The spelling of 12881842580 in words is "twelve billion, eight hundred eighty-one million, eight hundred forty-two thousand, five hundred eighty".