12394182105 has 12 divisors (see below), whose sum is σ = 21483249060. Its totient is φ = 6610230432.

The previous prime is 12394182091. The next prime is 12394182127. The reversal of 12394182105 is 50128149321.

12394182105 is a `hidden beast` number, since 1 + 23 + 9 + 418 + 210 + 5 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 3233969424 + 9160212681 = 56868^2 + 95709^2 .

It is not a de Polignac number, because 12394182105 - 2⁷ = 12394181977 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12394182105.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 137713090 + ... + 137713179.

It is an arithmetic number, because the mean of its divisors is an integer number (1790270755).

Almost surely, 2^12394182105 is an apocalyptic number.

12394182105 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12394182105 is a deficient number, since it is larger than the sum of its proper divisors (9089066955).

12394182105 is a wasteful number, since it uses less digits than its factorization.

12394182105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275426280 (or 275426277 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 36.

The spelling of 12394182105 in words is "twelve billion, three hundred ninety-four million, one hundred eighty-two thousand, one hundred five".