12120201343 has 4 divisors (see below), whose sum is σ = 12134822440. Its totient is φ = 12105580248.

The previous prime is 12120201337. The next prime is 12120201349. The reversal of 12120201343 is 34310202121.

It is a happy number.

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

It is an interprime number because it is at equal distance from previous prime (12120201337) and next prime (12120201349).

It is a cyclic number.

It is not a de Polignac number, because 12120201343 - 2⁵ = 12120201311 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12120201343.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12120201349) 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, 7309305 + ... + 7310962.

It is an arithmetic number, because the mean of its divisors is an integer number (3033705610).

Almost surely, 2^12120201343 is an apocalyptic number.

12120201343 is a deficient number, since it is larger than the sum of its proper divisors (14621097).

12120201343 is an equidigital number, since it uses as much as digits as its factorization.

12120201343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14621096.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 12120201343 its reverse (34310202121), we get a palindrome (46430403464).

The spelling of 12120201343 in words is "twelve billion, one hundred twenty million, two hundred one thousand, three hundred forty-three".