12010005523105 has 4 divisors (see below), whose sum is σ = 14412006627732. Its totient is φ = 9608004418480.

The previous prime is 12010005523099. The next prime is 12010005523111. The reversal of 12010005523105 is 50132550001021.

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

It is an interprime number because it is at equal distance from previous prime (12010005523099) and next prime (12010005523111).

It can be written as a sum of positive squares in 2 ways, for example, as 9535151113216 + 2474854409889 = 3087904^2 + 1573167^2 .

It is not a de Polignac number, because 12010005523105 - 2¹¹ = 12010005521057 is a prime.

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 12010005523105.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1201000552306 + ... + 1201000552315.

It is an arithmetic number, because the mean of its divisors is an integer number (3603001656933).

Almost surely, 2^{12010005523105} is an apocalyptic number.

It is an amenable number.

12010005523105 is a deficient number, since it is larger than the sum of its proper divisors (2402001104627).

12010005523105 is an equidigital number, since it uses as much as digits as its factorization.

12010005523105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2402001104626.

The product of its (nonzero) digits is 1500, while the sum is 25.

Adding to 12010005523105 its reverse (50132550001021), we get a palindrome (62142555524126).

The spelling of 12010005523105 in words is "twelve trillion, ten billion, five million, five hundred twenty-three thousand, one hundred five".