1272279127933 has 16 divisors (see below), whose sum is σ = 1389057284160. Its totient is φ = 1155687436800.

The previous prime is 1272279127843. The next prime is 1272279127937. The reversal of 1272279127933 is 3397219722721.

It is a cyclic number.

It is not a de Polignac number, because 1272279127933 - 2³³ = 1263689193341 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1272279127937) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 93978541 + ... + 93992077.

It is an arithmetic number, because the mean of its divisors is an integer number (86816080260).

Almost surely, 2^{1272279127933} is an apocalyptic number.

It is an amenable number.

1272279127933 is a deficient number, since it is larger than the sum of its proper divisors (116778156227).

1272279127933 is a wasteful number, since it uses less digits than its factorization.

1272279127933 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19788.

The product of its digits is 4000752, while the sum is 55.

The spelling of 1272279127933 in words is "one trillion, two hundred seventy-two billion, two hundred seventy-nine million, one hundred twenty-seven thousand, nine hundred thirty-three".