12105494906479 has 8 divisors (see below), whose sum is σ = 13042232021952. Its totient is φ = 11169549962400.

The previous prime is 12105494906459. The next prime is 12105494906497. The reversal of 12105494906479 is 97460949450121.

12105494906479 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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-12105494906479 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 (12105494906459) 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, 198011104 + ... + 198072229.

It is an arithmetic number, because the mean of its divisors is an integer number (1630279002744).

Almost surely, 2^{12105494906479} is an apocalyptic number.

12105494906479 is a deficient number, since it is larger than the sum of its proper divisors (936737115473).

12105494906479 is a wasteful number, since it uses less digits than its factorization.

12105494906479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 396085697.

The product of its (nonzero) digits is 19595520, while the sum is 61.

The spelling of 12105494906479 in words is "twelve trillion, one hundred five billion, four hundred ninety-four million, nine hundred six thousand, four hundred seventy-nine".