12017816677 has 8 divisors (see below), whose sum is σ = 12065800320. Its totient is φ = 11969860320.

The previous prime is 12017816663. The next prime is 12017816683. The reversal of 12017816677 is 77661871021.

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

It is a cyclic number.

It is not a de Polignac number, because 12017816677 - 2¹⁵ = 12017783909 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 (12017816077) 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, 1646478 + ... + 1653760.

It is an arithmetic number, because the mean of its divisors is an integer number (1508225040).

Almost surely, 2^12017816677 is an apocalyptic number.

It is an amenable number.

12017816677 is a deficient number, since it is larger than the sum of its proper divisors (47983643).

12017816677 is an equidigital number, since it uses as much as digits as its factorization.

12017816677 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13643.

The product of its (nonzero) digits is 197568, while the sum is 46.

The spelling of 12017816677 in words is "twelve billion, seventeen million, eight hundred sixteen thousand, six hundred seventy-seven".