12120323003 has 4 divisors (see below), whose sum is σ = 12758234760. Its totient is φ = 11482411248.

The previous prime is 12120322999. The next prime is 12120323071. The reversal of 12120323003 is 30032302121.

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 12120323003 - 2² = 12120322999 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12120323093) 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, 318955850 + ... + 318955887.

It is an arithmetic number, because the mean of its divisors is an integer number (3189558690).

Almost surely, 2^12120323003 is an apocalyptic number.

12120323003 is a deficient number, since it is larger than the sum of its proper divisors (637911757).

12120323003 is an equidigital number, since it uses as much as digits as its factorization.

12120323003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 637911756.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 12120323003 its reverse (30032302121), we get a palindrome (42152625124).

The spelling of 12120323003 in words is "twelve billion, one hundred twenty million, three hundred twenty-three thousand, three".