302130505312 has 12 divisors (see below), whose sum is σ = 594819432396. Its totient is φ = 151065252640.

The previous prime is 302130505307. The next prime is 302130505319. The reversal of 302130505312 is 213505031203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (302130505319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4720789114 + ... + 4720789177.

It is an arithmetic number, because the mean of its divisors is an integer number (49568286033).

Almost surely, 2^302130505312 is an apocalyptic number.

302130505312 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

302130505312 is a deficient number, since it is larger than the sum of its proper divisors (292688927084).

302130505312 is an equidigital number, since it uses as much as digits as its factorization.

302130505312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9441578301 (or 9441578293 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 25.

Adding to 302130505312 its reverse (213505031203), we get a palindrome (515635536515).

The spelling of 302130505312 in words is "three hundred two billion, one hundred thirty million, five hundred five thousand, three hundred twelve".