12130243214221 has 8 divisors (see below), whose sum is σ = 13233109442688. Its totient is φ = 11027396460000.

The previous prime is 12130243214203. The next prime is 12130243214233. The reversal of 12130243214221 is 12241234203121.

12130243214221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12130243214221 - 2¹⁷ = 12130243083149 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12130243214221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12130243214321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3550645 + ... + 6071866.

It is an arithmetic number, because the mean of its divisors is an integer number (1654138680336).

Almost surely, 2^{12130243214221} is an apocalyptic number.

12130243214221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12130243214221 is a deficient number, since it is larger than the sum of its proper divisors (1102866228467).

12130243214221 is a wasteful number, since it uses less digits than its factorization.

12130243214221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9737123.

The product of its (nonzero) digits is 4608, while the sum is 28.

Adding to 12130243214221 its reverse (12241234203121), we get a palindrome (24371477417342).

The spelling of 12130243214221 in words is "twelve trillion, one hundred thirty billion, two hundred forty-three million, two hundred fourteen thousand, two hundred twenty-one".