1266675743472 has 40 divisors (see below), whose sum is σ = 3278227906176. Its totient is φ = 421453346496.

The previous prime is 1266675743471. The next prime is 1266675743507. The reversal of 1266675743472 is 2743475766621.

It is a super-2 number, since 2×1266675743472² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1266675743471) by changing a digit.

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, 24095388 + ... + 24147899.

Almost surely, 2^{1266675743472} is an apocalyptic number.

1266675743472 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1266675743472 is an abundant number, since it is smaller than the sum of its proper divisors (2011552162704).

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

1266675743472 is a wasteful number, since it uses less digits than its factorization.

1266675743472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48243845 (or 48243839 counting only the distinct ones).

The product of its digits is 71124480, while the sum is 60.

The spelling of 1266675743472 in words is "one trillion, two hundred sixty-six billion, six hundred seventy-five million, seven hundred forty-three thousand, four hundred seventy-two".