1273208888897 has 8 divisors (see below), whose sum is σ = 1393695616320. Its totient is φ = 1153512238960.

The previous prime is 1273208888893. The next prime is 1273208888921. The reversal of 1273208888897 is 7988888023721.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1273208888897 - 2² = 1273208888893 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1273208888897.

It is not an unprimeable number, because it can be changed into a prime (1273208888893) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 197515997 + ... + 197522442.

It is an arithmetic number, because the mean of its divisors is an integer number (174211952040).

Almost surely, 2^{1273208888897} is an apocalyptic number.

It is an amenable number.

1273208888897 is a deficient number, since it is larger than the sum of its proper divisors (120486727423).

1273208888897 is a wasteful number, since it uses less digits than its factorization.

1273208888897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 395038743.

The product of its (nonzero) digits is 173408256, while the sum is 71.

The spelling of 1273208888897 in words is "one trillion, two hundred seventy-three billion, two hundred eight million, eight hundred eighty-eight thousand, eight hundred ninety-seven".