12105009108463 has 4 divisors (see below), whose sum is σ = 12106474082128. Its totient is φ = 12103544134800.

The previous prime is 12105009108461. The next prime is 12105009108551. The reversal of 12105009108463 is 36480190050121.

12105009108463 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12105009108463 - 2¹ = 12105009108461 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 (12105009108461) 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, 732474438 + ... + 732490963.

It is an arithmetic number, because the mean of its divisors is an integer number (3026618520532).

Almost surely, 2^{12105009108463} is an apocalyptic number.

12105009108463 is a deficient number, since it is larger than the sum of its proper divisors (1464973665).

12105009108463 is an equidigital number, since it uses as much as digits as its factorization.

12105009108463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1464973664.

The product of its (nonzero) digits is 51840, while the sum is 40.

Adding to 12105009108463 its reverse (36480190050121), we get a palindrome (48585199158584).

The spelling of 12105009108463 in words is "twelve trillion, one hundred five billion, nine million, one hundred eight thousand, four hundred sixty-three".