12042202343 has 4 divisors (see below), whose sum is σ = 12069386088. Its totient is φ = 12015018600.

The previous prime is 12042202327. The next prime is 12042202351. The reversal of 12042202343 is 34320224021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34320224021 = 157 ⋅218600153.

It is a cyclic number.

It is not a de Polignac number, because 12042202343 - 2⁴ = 12042202327 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 (12042202303) 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, 13591208 + ... + 13592093.

It is an arithmetic number, because the mean of its divisors is an integer number (3017346522).

Almost surely, 2^12042202343 is an apocalyptic number.

12042202343 is a deficient number, since it is larger than the sum of its proper divisors (27183745).

12042202343 is an equidigital number, since it uses as much as digits as its factorization.

12042202343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27183744.

The product of its (nonzero) digits is 2304, while the sum is 23.

Adding to 12042202343 its reverse (34320224021), we get a palindrome (46362426364).

The spelling of 12042202343 in words is "twelve billion, forty-two million, two hundred two thousand, three hundred forty-three".