12214221343 has 4 divisors (see below), whose sum is σ = 12219441208. Its totient is φ = 12209001480.

The previous prime is 12214221289. The next prime is 12214221347. The reversal of 12214221343 is 34312241221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34312241221 = 31 ⋅1106846491.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12214221343 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 (12214221347) 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, 2606421 + ... + 2611102.

It is an arithmetic number, because the mean of its divisors is an integer number (3054860302).

Almost surely, 2^12214221343 is an apocalyptic number.

12214221343 is a deficient number, since it is larger than the sum of its proper divisors (5219865).

12214221343 is an equidigital number, since it uses as much as digits as its factorization.

12214221343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5219864.

The product of its digits is 2304, while the sum is 25.

Adding to 12214221343 its reverse (34312241221), we get a palindrome (46526462564).

The spelling of 12214221343 in words is "twelve billion, two hundred fourteen million, two hundred twenty-one thousand, three hundred forty-three".