12205004214 has 64 divisors (see below), whose sum is σ = 26876376576. Its totient is φ = 3672117504.

The previous prime is 12205004213. The next prime is 12205004219. The reversal of 12205004214 is 41240050221.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12205004213) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 707439 + ... + 724485.

It is an arithmetic number, because the mean of its divisors is an integer number (419943384).

Almost surely, 2^12205004214 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12205004214, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13438188288).

12205004214 is an abundant number, since it is smaller than the sum of its proper divisors (14671372362).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12205004214 is a wasteful number, since it uses less digits than its factorization.

12205004214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17269.

The product of its (nonzero) digits is 640, while the sum is 21.

Adding to 12205004214 its reverse (41240050221), we get a palindrome (53445054435).

The spelling of 12205004214 in words is "twelve billion, two hundred five million, four thousand, two hundred fourteen".