12189179683469 has 4 divisors (see below), whose sum is σ = 12189319039296. Its totient is φ = 12189040327644.

The previous prime is 12189179683453. The next prime is 12189179683511. The reversal of 12189179683469 is 96438697198121.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12189179683469 - 2⁴ = 12189179683453 is a prime.

It is a super-2 number, since 2×12189179683469² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12189179683396 and 12189179683405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12189179683669) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69546629 + ... + 69721674.

It is an arithmetic number, because the mean of its divisors is an integer number (3047329759824).

Almost surely, 2^{12189179683469} is an apocalyptic number.

It is an amenable number.

12189179683469 is a deficient number, since it is larger than the sum of its proper divisors (139355827).

12189179683469 is an equidigital number, since it uses as much as digits as its factorization.

12189179683469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139355826.

The product of its digits is 282175488, while the sum is 74.

The spelling of 12189179683469 in words is "twelve trillion, one hundred eighty-nine billion, one hundred seventy-nine million, six hundred eighty-three thousand, four hundred sixty-nine".