12120312302 has 8 divisors (see below), whose sum is σ = 20777678256. Its totient is φ = 5194419552.

The previous prime is 12120312289. The next prime is 12120312311. The reversal of 12120312302 is 20321302121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

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, 432868283 + ... + 432868310.

It is an arithmetic number, because the mean of its divisors is an integer number (2597209782).

Almost surely, 2^12120312302 is an apocalyptic number.

12120312302 is a deficient number, since it is larger than the sum of its proper divisors (8657365954).

12120312302 is an equidigital number, since it uses as much as digits as its factorization.

12120312302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 865736602.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 12120312302 its reverse (20321302121), we get a palindrome (32441614423).

The spelling of 12120312302 in words is "twelve billion, one hundred twenty million, three hundred twelve thousand, three hundred two".