1276812235328 has 28 divisors (see below), whose sum is σ = 2895627748992. Its totient is φ = 547205243520.

The previous prime is 1276812235319. The next prime is 1276812235333. The reversal of 1276812235328 is 8235322186721.

It is a tau number, because it is divible by the number of its divisors (28).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1425013208 + ... + 1425014103.

Almost surely, 2^{1276812235328} is an apocalyptic number.

It is an amenable number.

1276812235328 is an abundant number, since it is smaller than the sum of its proper divisors (1618815513664).

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

1276812235328 is an equidigital number, since it uses as much as digits as its factorization.

1276812235328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2850027330 (or 2850027320 counting only the distinct ones).

The product of its digits is 1935360, while the sum is 50.

The spelling of 1276812235328 in words is "one trillion, two hundred seventy-six billion, eight hundred twelve million, two hundred thirty-five thousand, three hundred twenty-eight".