1276768080000 has 1920 divisors, whose sum is σ = 5633696640000. Its totient is φ = 270978048000.

The previous prime is 1276768079971. The next prime is 1276768080013. The reversal of 1276768080000 is 808676721.

It is a tau number, because it is divible by the number of its divisors (1920).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 239 ways as a sum of consecutive naturals, for example, 6415919901 + ... + 6415920099.

It is an arithmetic number, because the mean of its divisors is an integer number (2934217000).

Almost surely, 2^{1276768080000} is an apocalyptic number.

1276768080000 is a gapful number since it is divisible by the number (10) 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 1276768080000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2816848320000).

1276768080000 is an abundant number, since it is smaller than the sum of its proper divisors (4356928560000).

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

1276768080000 is a wasteful number, since it uses less digits than its factorization.

1276768080000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 332 (or 302 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 45.

The spelling of 1276768080000 in words is "one trillion, two hundred seventy-six billion, seven hundred sixty-eight million, eighty thousand".