12985590876 has 24 divisors (see below), whose sum is σ = 30467118864. Its totient is φ = 4304615040.

The previous prime is 12985590841. The next prime is 12985590883. The reversal of 12985590876 is 67809558921.

12985590876 = T₁₁₈₈₈ + T₁₁₈₈₉ + ... + T₁₂₀₆₈.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2987145 + ... + 2991488.

It is an arithmetic number, because the mean of its divisors is an integer number (1269463286).

Almost surely, 2^12985590876 is an apocalyptic number.

It is an amenable number.

12985590876 is an abundant number, since it is smaller than the sum of its proper divisors (17481527988).

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

12985590876 is a wasteful number, since it uses less digits than its factorization.

12985590876 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5978821 (or 5978819 counting only the distinct ones).

The product of its (nonzero) digits is 10886400, while the sum is 60.

The spelling of 12985590876 in words is "twelve billion, nine hundred eighty-five million, five hundred ninety thousand, eight hundred seventy-six".