120312332003 has 4 divisors (see below), whose sum is σ = 120699188688. Its totient is φ = 119925475320.

The previous prime is 120312331999. The next prime is 120312332009. The reversal of 120312332003 is 300233213021.

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 120312332003 - 2² = 120312331999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120312332009) 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 3 ways as a sum of consecutive naturals, for example, 193427876 + ... + 193428497.

It is an arithmetic number, because the mean of its divisors is an integer number (30174797172).

Almost surely, 2^120312332003 is an apocalyptic number.

120312332003 is a deficient number, since it is larger than the sum of its proper divisors (386856685).

120312332003 is an equidigital number, since it uses as much as digits as its factorization.

120312332003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 386856684.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 120312332003 its reverse (300233213021), we get a palindrome (420545545024).

The spelling of 120312332003 in words is "one hundred twenty billion, three hundred twelve million, three hundred thirty-two thousand, three".