12448615205 has 24 divisors (see below), whose sum is σ = 16243219080. Its totient is φ = 9154529280.

The previous prime is 12448615181. The next prime is 12448615219. The reversal of 12448615205 is 50251684421.

It is a happy number.

It can be written as a sum of positive squares in 12 ways, for example, as 8718703876 + 3729911329 = 93374^2 + 61073^2 .

It is not a de Polignac number, because 12448615205 - 2⁸ = 12448614949 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 173081 + ... + 234209.

It is an arithmetic number, because the mean of its divisors is an integer number (676800795).

Almost surely, 2^12448615205 is an apocalyptic number.

It is an amenable number.

12448615205 is a deficient number, since it is larger than the sum of its proper divisors (3794603875).

12448615205 is a wasteful number, since it uses less digits than its factorization.

12448615205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61401 (or 61388 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 38.

The spelling of 12448615205 in words is "twelve billion, four hundred forty-eight million, six hundred fifteen thousand, two hundred five".