1268575680312 has 80 divisors (see below), whose sum is σ = 3553749018600. Its totient is φ = 422791617600.

The previous prime is 1268575680271. The next prime is 1268575680343. The reversal of 1268575680312 is 2130865758621.

1268575680312 is a `hidden beast` number, since 1 + 2 + 6 + 8 + 575 + 68 + 0 + 3 + 1 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

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 19 ways as a sum of consecutive naturals, for example, 4028514 + ... + 4331982.

Almost surely, 2^{1268575680312} is an apocalyptic number.

1268575680312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1268575680312 is an abundant number, since it is smaller than the sum of its proper divisors (2285173338288).

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

1268575680312 is a wasteful number, since it uses less digits than its factorization.

1268575680312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 309938 (or 309925 counting only the distinct ones).

The product of its (nonzero) digits is 4838400, while the sum is 54.

The spelling of 1268575680312 in words is "one trillion, two hundred sixty-eight billion, five hundred seventy-five million, six hundred eighty thousand, three hundred twelve".