12105801579 has 8 divisors (see below), whose sum is σ = 16150609552. Its totient is φ = 8065764000.

The previous prime is 12105801559. The next prime is 12105801593. The reversal of 12105801579 is 97510850121.

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

It is not a de Polignac number, because 12105801579 - 2⁹ = 12105801067 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12105801559) 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, 1186672 + ... + 1196829.

It is an arithmetic number, because the mean of its divisors is an integer number (2018826194).

Almost surely, 2^12105801579 is an apocalyptic number.

12105801579 is a deficient number, since it is larger than the sum of its proper divisors (4044807973).

12105801579 is a wasteful number, since it uses less digits than its factorization.

12105801579 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2385197.

The product of its (nonzero) digits is 25200, while the sum is 39.

The spelling of 12105801579 in words is "twelve billion, one hundred five million, eight hundred one thousand, five hundred seventy-nine".