12986316280 has 32 divisors (see below), whose sum is σ = 33393385440. Its totient is φ = 4452451200.

The previous prime is 12986316257. The next prime is 12986316283. The reversal of 12986316280 is 8261368921.

12986316280 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 12986316280.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12986316283) by changing a digit.

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, 23189571 + ... + 23190130.

It is an arithmetic number, because the mean of its divisors is an integer number (1043543295).

Almost surely, 2^12986316280 is an apocalyptic number.

12986316280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12986316280 is an abundant number, since it is smaller than the sum of its proper divisors (20407069160).

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

12986316280 is a wasteful number, since it uses less digits than its factorization.

12986316280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46379719 (or 46379715 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 46.

It can be divided in two parts, 12986 and 316280, that added together give a triangular number (329266 = T₈₁₁).

The spelling of 12986316280 in words is "twelve billion, nine hundred eighty-six million, three hundred sixteen thousand, two hundred eighty".