305315323342012 has 12 divisors (see below), whose sum is σ = 535445931089160. Its totient is φ = 152330771602256.

The previous prime is 305315323341979. The next prime is 305315323342021. The reversal of 305315323342012 is 210243323513503.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 81722515087 + ... + 81722518822.

It is an arithmetic number, because the mean of its divisors is an integer number (44620494257430).

Almost surely, 2^{305315323342012} is an apocalyptic number.

It is an amenable number.

305315323342012 is a deficient number, since it is larger than the sum of its proper divisors (230130607747148).

305315323342012 is a wasteful number, since it uses less digits than its factorization.

305315323342012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163445034380 (or 163445034378 counting only the distinct ones).

The product of its (nonzero) digits is 194400, while the sum is 37.

Adding to 305315323342012 its reverse (210243323513503), we get a palindrome (515558646855515).

The spelling of 305315323342012 in words is "three hundred five trillion, three hundred fifteen billion, three hundred twenty-three million, three hundred forty-two thousand, twelve".