12354365050205 has 4 divisors (see below), whose sum is σ = 14825238060252. Its totient is φ = 9883492040160.

The previous prime is 12354365050201. The next prime is 12354365050217. The reversal of 12354365050205 is 50205056345321.

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 2456432424601 + 9897932625604 = 1567301^2 + 3146098^2 .

It is not a de Polignac number, because 12354365050205 - 2² = 12354365050201 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 (12354365050201) 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, 1235436505016 + ... + 1235436505025.

It is an arithmetic number, because the mean of its divisors is an integer number (3706309515063).

Almost surely, 2^{12354365050205} is an apocalyptic number.

It is an amenable number.

12354365050205 is a deficient number, since it is larger than the sum of its proper divisors (2470873010047).

12354365050205 is an equidigital number, since it uses as much as digits as its factorization.

12354365050205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2470873010046.

The product of its (nonzero) digits is 540000, while the sum is 41.

The spelling of 12354365050205 in words is "twelve trillion, three hundred fifty-four billion, three hundred sixty-five million, fifty thousand, two hundred five".