12212344034243 has 4 divisors (see below), whose sum is σ = 12320417875368. Its totient is φ = 12104270193120.

The previous prime is 12212344034183. The next prime is 12212344034251. The reversal of 12212344034243 is 34243044321221.

It is a happy number.

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 12212344034243 - 2⁸ = 12212344033987 is a prime.

It is a super-3 number, since 3×12212344034243³ (a number of 40 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12212344084243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54036920393 + ... + 54036920618.

It is an arithmetic number, because the mean of its divisors is an integer number (3080104468842).

Almost surely, 2^{12212344034243} is an apocalyptic number.

12212344034243 is a deficient number, since it is larger than the sum of its proper divisors (108073841125).

12212344034243 is a wasteful number, since it uses less digits than its factorization.

12212344034243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108073841124.

The product of its (nonzero) digits is 110592, while the sum is 35.

Adding to 12212344034243 its reverse (34243044321221), we get a palindrome (46455388355464).

The spelling of 12212344034243 in words is "twelve trillion, two hundred twelve billion, three hundred forty-four million, thirty-four thousand, two hundred forty-three".