12766257773000 has 32 divisors (see below), whose sum is σ = 29873043191160. Its totient is φ = 5106503108800.

The previous prime is 12766257772987. The next prime is 12766257773021. The reversal of 12766257773000 is 37775266721.

It can be written as a sum of positive squares in 4 ways, for example, as 1509118885444 + 11257138887556 = 1228462^2 + 3355166^2 .

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 7 ways as a sum of consecutive naturals, for example, 6383127887 + ... + 6383129886.

Almost surely, 2^{12766257773000} is an apocalyptic number.

12766257773000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12766257773000 is an abundant number, since it is smaller than the sum of its proper divisors (17106785418160).

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

12766257773000 is a wasteful number, since it uses less digits than its factorization.

12766257773000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12766257794 (or 12766257780 counting only the distinct ones).

The product of its (nonzero) digits is 5186160, while the sum is 53.

The spelling of 12766257773000 in words is "twelve trillion, seven hundred sixty-six billion, two hundred fifty-seven million, seven hundred seventy-three thousand".