12516977080 has 32 divisors (see below), whose sum is σ = 28200767040. Its totient is φ = 5000112000.

The previous prime is 12516977059. The next prime is 12516977093. The reversal of 12516977080 is 8077961521.

It is a happy number.

12516977080 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 12516977080.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 178299 + ... + 238378.

It is an arithmetic number, because the mean of its divisors is an integer number (881273970).

Almost surely, 2^12516977080 is an apocalyptic number.

12516977080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12516977080 is an abundant number, since it is smaller than the sum of its proper divisors (15683789960).

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

12516977080 is a wasteful number, since it uses less digits than its factorization.

12516977080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 417439 (or 417435 counting only the distinct ones).

The product of its (nonzero) digits is 211680, while the sum is 46.

The spelling of 12516977080 in words is "twelve billion, five hundred sixteen million, nine hundred seventy-seven thousand, eighty".