1272879735675 has 12 divisors (see below), whose sum is σ = 2104494496440. Its totient is φ = 678869192320.

The previous prime is 1272879735667. The next prime is 1272879735697. The reversal of 1272879735675 is 5765379782721.

It is not a de Polignac number, because 1272879735675 - 2³ = 1272879735667 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8485864830 + ... + 8485864979.

It is an arithmetic number, because the mean of its divisors is an integer number (175374541370).

Almost surely, 2^{1272879735675} is an apocalyptic number.

1272879735675 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1272879735675 is a deficient number, since it is larger than the sum of its proper divisors (831614760765).

1272879735675 is a wasteful number, since it uses less digits than its factorization.

1272879735675 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16971729822 (or 16971729817 counting only the distinct ones).

The product of its digits is 311169600, while the sum is 69.

The spelling of 1272879735675 in words is "one trillion, two hundred seventy-two billion, eight hundred seventy-nine million, seven hundred thirty-five thousand, six hundred seventy-five".