12210442343 has 4 divisors (see below), whose sum is σ = 13320482568. Its totient is φ = 11100402120.

The previous prime is 12210442339. The next prime is 12210442357. The reversal of 12210442343 is 34324401221.

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

It is a cyclic number.

It is not a de Polignac number, because 12210442343 - 2² = 12210442339 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 (12210442313) 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, 555020096 + ... + 555020117.

It is an arithmetic number, because the mean of its divisors is an integer number (3330120642).

Almost surely, 2^12210442343 is an apocalyptic number.

12210442343 is a deficient number, since it is larger than the sum of its proper divisors (1110040225).

12210442343 is a wasteful number, since it uses less digits than its factorization.

12210442343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1110040224.

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 12210442343 its reverse (34324401221), we get a palindrome (46534843564).

The spelling of 12210442343 in words is "twelve billion, two hundred ten million, four hundred forty-two thousand, three hundred forty-three".