1276206674688 has 1728 divisors, whose sum is σ = 4760614010880. Its totient is φ = 323547955200.

The previous prime is 1276206674647. The next prime is 1276206674711. The reversal of 1276206674688 is 8864766026721.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 11927165131 + ... + 11927165237.

It is an arithmetic number, because the mean of its divisors is an integer number (2754984960).

Almost surely, 2^{1276206674688} is an apocalyptic number.

1276206674688 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1276206674688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2380307005440).

1276206674688 is an abundant number, since it is smaller than the sum of its proper divisors (3484407336192).

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

1276206674688 is a wasteful number, since it uses less digits than its factorization.

1276206674688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 254 (or 237 counting only the distinct ones).

The product of its (nonzero) digits is 65028096, while the sum is 63.

The spelling of 1276206674688 in words is "one trillion, two hundred seventy-six billion, two hundred six million, six hundred seventy-four thousand, six hundred eighty-eight".