12731416080850 has 12 divisors (see below), whose sum is σ = 23680433910474. Its totient is φ = 5092566432320.

The previous prime is 12731416080829. The next prime is 12731416080941. The reversal of 12731416080850 is 5808061413721.

It can be written as a sum of positive squares in 3 ways, for example, as 5651788267801 + 7079627813049 = 2377349^2 + 2660757^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 12731416080850.

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 5 ways as a sum of consecutive naturals, for example, 127314160759 + ... + 127314160858.

Almost surely, 2^{12731416080850} is an apocalyptic number.

12731416080850 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12731416080850 is a deficient number, since it is larger than the sum of its proper divisors (10949017829624).

12731416080850 is a wasteful number, since it uses less digits than its factorization.

12731416080850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 254628321629 (or 254628321624 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 46.

The spelling of 12731416080850 in words is "twelve trillion, seven hundred thirty-one billion, four hundred sixteen million, eighty thousand, eight hundred fifty".