120343201243 has 4 divisors (see below), whose sum is σ = 126677053960. Its totient is φ = 114009348528.

The previous prime is 120343201213. The next prime is 120343201313. The reversal of 120343201243 is 342102343021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 342102343021 = 1607 ⋅212882603.

It is a cyclic number.

It is not a de Polignac number, because 120343201243 - 2¹³ = 120343193051 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120343201213) 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, 3166926330 + ... + 3166926367.

It is an arithmetic number, because the mean of its divisors is an integer number (31669263490).

Almost surely, 2^120343201243 is an apocalyptic number.

120343201243 is a deficient number, since it is larger than the sum of its proper divisors (6333852717).

120343201243 is an equidigital number, since it uses as much as digits as its factorization.

120343201243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6333852716.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 120343201243 its reverse (342102343021), we get a palindrome (462445544264).

The spelling of 120343201243 in words is "one hundred twenty billion, three hundred forty-three million, two hundred one thousand, two hundred forty-three".