1272828371848 has 64 divisors (see below), whose sum is σ = 2702482574400. Its totient is φ = 556701223680.

The previous prime is 1272828371827. The next prime is 1272828371923. The reversal of 1272828371848 is 8481738282721.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 103386 + ... + 1598857.

It is an arithmetic number, because the mean of its divisors is an integer number (42226290225).

Almost surely, 2^{1272828371848} is an apocalyptic number.

It is an amenable number.

1272828371848 is an abundant number, since it is smaller than the sum of its proper divisors (1429654202552).

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

1272828371848 is a wasteful number, since it uses less digits than its factorization.

1272828371848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1702582 (or 1702578 counting only the distinct ones).

The product of its digits is 19267584, while the sum is 61.

The spelling of 1272828371848 in words is "one trillion, two hundred seventy-two billion, eight hundred twenty-eight million, three hundred seventy-one thousand, eight hundred forty-eight".