1263458816712 has 48 divisors (see below), whose sum is σ = 3422109263040. Its totient is φ = 421123199328.

The previous prime is 1263458816707. The next prime is 1263458816723. The reversal of 1263458816712 is 2176188543621.

It is a happy number.

1263458816712 is a `hidden beast` number, since 1 + 2 + 6 + 34 + 588 + 16 + 7 + 12 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 419133 + ... + 1643955.

It is an arithmetic number, because the mean of its divisors is an integer number (71293942980).

Almost surely, 2^{1263458816712} is an apocalyptic number.

1263458816712 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1263458816712 is an abundant number, since it is smaller than the sum of its proper divisors (2158650446328).

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

1263458816712 is a wasteful number, since it uses less digits than its factorization.

1263458816712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1239162 (or 1239155 counting only the distinct ones).

The product of its digits is 3870720, while the sum is 54.

The spelling of 1263458816712 in words is "one trillion, two hundred sixty-three billion, four hundred fifty-eight million, eight hundred sixteen thousand, seven hundred twelve".