12213140213 has 4 divisors (see below), whose sum is σ = 12215822508. Its totient is φ = 12210457920.

The previous prime is 12213140129. The next prime is 12213140237. The reversal of 12213140213 is 31204131221.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2827793329 + 9385346884 = 53177^2 + 96878^2 .

It is a cyclic number.

It is not a de Polignac number, because 12213140213 - 2¹⁶ = 12213074677 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12213140273) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1334306 + ... + 1343427.

It is an arithmetic number, because the mean of its divisors is an integer number (3053955627).

Almost surely, 2^12213140213 is an apocalyptic number.

It is an amenable number.

12213140213 is a deficient number, since it is larger than the sum of its proper divisors (2682295).

12213140213 is an equidigital number, since it uses as much as digits as its factorization.

12213140213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2682294.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 12213140213 its reverse (31204131221), we get a palindrome (43417271434).

The spelling of 12213140213 in words is "twelve billion, two hundred thirteen million, one hundred forty thousand, two hundred thirteen".