12105313304053 has 4 divisors (see below), whose sum is σ = 12125455256908. Its totient is φ = 12085171351200.

The previous prime is 12105313304011. The next prime is 12105313304087. The reversal of 12105313304053 is 35040331350121.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 8599573845009 + 3505739459044 = 2932503^2 + 1872362^2 .

It is a cyclic number.

It is not a de Polignac number, because 12105313304053 - 2²⁵ = 12105279749621 is a prime.

It is a super-2 number, since 2×12105313304053² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12105313304153) 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, 10070975526 + ... + 10070976727.

It is an arithmetic number, because the mean of its divisors is an integer number (3031363814227).

Almost surely, 2^{12105313304053} is an apocalyptic number.

It is an amenable number.

12105313304053 is a deficient number, since it is larger than the sum of its proper divisors (20141952855).

12105313304053 is an equidigital number, since it uses as much as digits as its factorization.

12105313304053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20141952854.

The product of its (nonzero) digits is 16200, while the sum is 31.

Adding to 12105313304053 its reverse (35040331350121), we get a palindrome (47145644654174).

The spelling of 12105313304053 in words is "twelve trillion, one hundred five billion, three hundred thirteen million, three hundred four thousand, fifty-three".