12320000105 has 32 divisors (see below), whose sum is σ = 16989093888. Its totient is φ = 8401579200.

The previous prime is 12320000093. The next prime is 12320000107. The reversal of 12320000105 is 50100002321.

It is a happy number.

It is not a de Polignac number, because 12320000105 - 2⁴ = 12320000089 is a prime.

It is a super-2 number, since 2×12320000105² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12320000105.

It is not an unprimeable number, because it can be changed into a prime (12320000107) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8374520 + ... + 8375990.

It is an arithmetic number, because the mean of its divisors is an integer number (530909184).

Almost surely, 2^12320000105 is an apocalyptic number.

It is an amenable number.

12320000105 is a deficient number, since it is larger than the sum of its proper divisors (4669093783).

12320000105 is a wasteful number, since it uses less digits than its factorization.

12320000105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2637.

The product of its (nonzero) digits is 60, while the sum is 14.

Adding to 12320000105 its reverse (50100002321), we get a palindrome (62420002426).

The spelling of 12320000105 in words is "twelve billion, three hundred twenty million, one hundred five", and thus it is an aban number.