1012679171099 has 8 divisors (see below), whose sum is σ = 1045494167808. Its totient is φ = 980150768640.

The previous prime is 1012679171089. The next prime is 1012679171111. The reversal of 1012679171099 is 9901719762101.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1012679171099 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 1012679171099.

It is not an unprimeable number, because it can be changed into a prime (1012679171029) 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, 71641382 + ... + 71655515.

It is an arithmetic number, because the mean of its divisors is an integer number (130686770976).

Almost surely, 2^{1012679171099} is an apocalyptic number.

1012679171099 is a deficient number, since it is larger than the sum of its proper divisors (32814996709).

1012679171099 is a wasteful number, since it uses less digits than its factorization.

1012679171099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143297125.

The product of its (nonzero) digits is 428652, while the sum is 53.

The spelling of 1012679171099 in words is "one trillion, twelve billion, six hundred seventy-nine million, one hundred seventy-one thousand, ninety-nine".