1272306317552 has 40 divisors (see below), whose sum is σ = 2467328442480. Its totient is φ = 635576693760.

The previous prime is 1272306317549. The next prime is 1272306317561. The reversal of 1272306317552 is 2557136032721.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 92706563 + ... + 92720285.

It is an arithmetic number, because the mean of its divisors is an integer number (61683211062).

Almost surely, 2^{1272306317552} is an apocalyptic number.

It is an amenable number.

1272306317552 is a deficient number, since it is larger than the sum of its proper divisors (1195022124928).

1272306317552 is a wasteful number, since it uses less digits than its factorization.

1272306317552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18561 (or 18555 counting only the distinct ones).

The product of its (nonzero) digits is 529200, while the sum is 44.

The spelling of 1272306317552 in words is "one trillion, two hundred seventy-two billion, three hundred six million, three hundred seventeen thousand, five hundred fifty-two".