12240422205 has 64 divisors (see below), whose sum is σ = 21898211328. Its totient is φ = 5787580160.

The previous prime is 12240422191. The next prime is 12240422221. The reversal of 12240422205 is 50222404221.

12240422205 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12240422205 - 2¹⁸ = 12240160061 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2269522 + ... + 2274908.

It is an arithmetic number, because the mean of its divisors is an integer number (342159552).

Almost surely, 2^12240422205 is an apocalyptic number.

12240422205 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12240422205 is a deficient number, since it is larger than the sum of its proper divisors (9657789123).

12240422205 is a wasteful number, since it uses less digits than its factorization.

12240422205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5746.

The product of its (nonzero) digits is 2560, while the sum is 24.

Adding to 12240422205 its reverse (50222404221), we get a palindrome (62462826426).

The spelling of 12240422205 in words is "twelve billion, two hundred forty million, four hundred twenty-two thousand, two hundred five".