12452650205 has 4 divisors (see below), whose sum is σ = 14943180252. Its totient is φ = 9962120160.

The previous prime is 12452650193. The next prime is 12452650213. The reversal of 12452650205 is 50205625421.

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 4272713956 + 8179936249 = 65366^2 + 90443^2 .

It is not a de Polignac number, because 12452650205 - 2²⁶ = 12385541341 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

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, 1245265016 + ... + 1245265025.

It is an arithmetic number, because the mean of its divisors is an integer number (3735795063).

Almost surely, 2^12452650205 is an apocalyptic number.

It is an amenable number.

12452650205 is a deficient number, since it is larger than the sum of its proper divisors (2490530047).

12452650205 is an equidigital number, since it uses as much as digits as its factorization.

12452650205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2490530046.

The product of its (nonzero) digits is 24000, while the sum is 32.

The spelling of 12452650205 in words is "twelve billion, four hundred fifty-two million, six hundred fifty thousand, two hundred five".