120312134443 has 4 divisors (see below), whose sum is σ = 127389318840. Its totient is φ = 113234950048.

The previous prime is 120312134387. The next prime is 120312134471. The reversal of 120312134443 is 344431213021.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-120312134443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120312134473) 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, 3538592173 + ... + 3538592206.

It is an arithmetic number, because the mean of its divisors is an integer number (31847329710).

Almost surely, 2^120312134443 is an apocalyptic number.

120312134443 is a deficient number, since it is larger than the sum of its proper divisors (7077184397).

120312134443 is an equidigital number, since it uses as much as digits as its factorization.

120312134443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7077184396.

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 120312134443 its reverse (344431213021), we get a palindrome (464743347464).

The spelling of 120312134443 in words is "one hundred twenty billion, three hundred twelve million, one hundred thirty-four thousand, four hundred forty-three".