12240055220205 has 16 divisors (see below), whose sum is σ = 19597850922240. Its totient is φ = 6523441927488.

The previous prime is 12240055220147. The next prime is 12240055220207. The reversal of 12240055220205 is 50202255004221.

It is not a de Polignac number, because 12240055220205 - 2⁸ = 12240055219949 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12240055220207) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 286698150 + ... + 286740839.

It is an arithmetic number, because the mean of its divisors is an integer number (1224865682640).

Almost surely, 2^{12240055220205} is an apocalyptic number.

12240055220205 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12240055220205 is a deficient number, since it is larger than the sum of its proper divisors (7357795702035).

12240055220205 is a wasteful number, since it uses less digits than its factorization.

12240055220205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 573440420.

The product of its (nonzero) digits is 16000, while the sum is 30.

The spelling of 12240055220205 in words is "twelve trillion, two hundred forty billion, fifty-five million, two hundred twenty thousand, two hundred five".