12204342343 has 4 divisors (see below), whose sum is σ = 12204631440. Its totient is φ = 12204053248.

The previous prime is 12204342341. The next prime is 12204342379. The reversal of 12204342343 is 34324340221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34324340221 = 30763 ⋅1115767.

It is a cyclic number.

It is not a de Polignac number, because 12204342343 - 2¹ = 12204342341 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 (12204342341) 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, 67555 + ... + 170212.

It is an arithmetic number, because the mean of its divisors is an integer number (3051157860).

Almost surely, 2^12204342343 is an apocalyptic number.

12204342343 is a deficient number, since it is larger than the sum of its proper divisors (289097).

12204342343 is an equidigital number, since it uses as much as digits as its factorization.

12204342343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 289096.

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 12204342343 its reverse (34324340221), we get a palindrome (46528682564).

The spelling of 12204342343 in words is "twelve billion, two hundred four million, three hundred forty-two thousand, three hundred forty-three".