12715022778280 has 32 divisors (see below), whose sum is σ = 29595311641800. Its totient is φ = 4910629486336.

The previous prime is 12715022778277. The next prime is 12715022778299. The reversal of 12715022778280 is 8287722051721.

It can be written as a sum of positive squares in 4 ways, for example, as 12447644846884 + 267377931396 = 3528122^2 + 517086^2 .

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, 5480612107 + ... + 5480614426.

Almost surely, 2^{12715022778280} is an apocalyptic number.

12715022778280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12715022778280 is an abundant number, since it is smaller than the sum of its proper divisors (16880288863520).

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

12715022778280 is a wasteful number, since it uses less digits than its factorization.

12715022778280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10961226573 (or 10961226569 counting only the distinct ones).

The product of its (nonzero) digits is 1756160, while the sum is 52.

The spelling of 12715022778280 in words is "twelve trillion, seven hundred fifteen billion, twenty-two million, seven hundred seventy-eight thousand, two hundred eighty".