1272657412288 has 28 divisors (see below), whose sum is σ = 2547778501080. Its totient is φ = 630697475072.

The previous prime is 1272657412267. The next prime is 1272657412357. The reversal of 1272657412288 is 8822147562721.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 87980698 + ... + 87995161.

Almost surely, 2^{1272657412288} is an apocalyptic number.

It is an amenable number.

1272657412288 is an abundant number, since it is smaller than the sum of its proper divisors (1275121088792).

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

1272657412288 is a wasteful number, since it uses less digits than its factorization.

1272657412288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175975984 (or 175975974 counting only the distinct ones).

The product of its digits is 6021120, while the sum is 55.

The spelling of 1272657412288 in words is "one trillion, two hundred seventy-two billion, six hundred fifty-seven million, four hundred twelve thousand, two hundred eighty-eight".