12120043343 has 8 divisors (see below), whose sum is σ = 12618130128. Its totient is φ = 11630931264.

The previous prime is 12120043337. The next prime is 12120043349. The reversal of 12120043343 is 34334002121.

It is an interprime number because it is at equal distance from previous prime (12120043337) and next prime (12120043349).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12120043343 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12120043349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2240921 + ... + 2246322.

It is an arithmetic number, because the mean of its divisors is an integer number (1577266266).

Almost surely, 2^12120043343 is an apocalyptic number.

12120043343 is a deficient number, since it is larger than the sum of its proper divisors (498086785).

12120043343 is an equidigital number, since it uses as much as digits as its factorization.

12120043343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4487353.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 12120043343 its reverse (34334002121), we get a palindrome (46454045464).

The spelling of 12120043343 in words is "twelve billion, one hundred twenty million, forty-three thousand, three hundred forty-three".