305210252012 has 48 divisors (see below), whose sum is σ = 570388718592. Its totient is φ = 142398147840.

The previous prime is 305210251937. The next prime is 305210252071. The reversal of 305210252012 is 210252012503.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9809993 + ... + 9841055.

It is an arithmetic number, because the mean of its divisors is an integer number (11883098304).

Almost surely, 2^305210252012 is an apocalyptic number.

It is an amenable number.

305210252012 is a deficient number, since it is larger than the sum of its proper divisors (265178466580).

305210252012 is a wasteful number, since it uses less digits than its factorization.

305210252012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32318 (or 32316 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 23.

Adding to 305210252012 its reverse (210252012503), we get a palindrome (515462264515).

The spelling of 305210252012 in words is "three hundred five billion, two hundred ten million, two hundred fifty-two thousand, twelve".