1266712540300 has 72 divisors (see below), whose sum is σ = 2754245404512. Its totient is φ = 505675968000.

The previous prime is 1266712540229. The next prime is 1266712540351. The reversal of 1266712540300 is 30452176621.

It is a self number, because there is not a number n which added to its sum of digits gives 1266712540300.

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 23 ways as a sum of consecutive naturals, for example, 138267720 + ... + 138276880.

It is an arithmetic number, because the mean of its divisors is an integer number (38253408396).

Almost surely, 2^{1266712540300} is an apocalyptic number.

1266712540300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1266712540300 is an abundant number, since it is smaller than the sum of its proper divisors (1487532864212).

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

1266712540300 is a wasteful number, since it uses less digits than its factorization.

1266712540300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11779 (or 11772 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 37.

The spelling of 1266712540300 in words is "one trillion, two hundred sixty-six billion, seven hundred twelve million, five hundred forty thousand, three hundred".