12177197347 has 8 divisors (see below), whose sum is σ = 13919716352. Its totient is φ = 10435408200.

The previous prime is 12177197321. The next prime is 12177197369. The reversal of 12177197347 is 74379177121.

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

It is not a de Polignac number, because 12177197347 - 2¹⁹ = 12176673059 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 12177197347.

It is not an unprimeable number, because it can be changed into a prime (12177197377) 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, 146229 + ... + 213862.

It is an arithmetic number, because the mean of its divisors is an integer number (1739964544).

Almost surely, 2^12177197347 is an apocalyptic number.

12177197347 is a deficient number, since it is larger than the sum of its proper divisors (1742519005).

12177197347 is an equidigital number, since it uses as much as digits as its factorization.

12177197347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 364929.

The product of its digits is 518616, while the sum is 49.

The spelling of 12177197347 in words is "twelve billion, one hundred seventy-seven million, one hundred ninety-seven thousand, three hundred forty-seven".