305300012 has 6 divisors (see below), whose sum is σ = 534275028. Its totient is φ = 152650004.

The previous prime is 305300011. The next prime is 305300027. The reversal of 305300012 is 210003503.

It is a self number, because there is not a number n which added to its sum of digits gives 305300012.

It is not an unprimeable number, because it can be changed into a prime (305300011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38162498 + ... + 38162505.

It is an arithmetic number, because the mean of its divisors is an integer number (89045838).

Almost surely, 2^305300012 is an apocalyptic number.

It is an amenable number.

305300012 is a deficient number, since it is larger than the sum of its proper divisors (228975016).

305300012 is a wasteful number, since it uses less digits than its factorization.

305300012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76325007 (or 76325005 counting only the distinct ones).

The product of its (nonzero) digits is 90, while the sum is 14.

The square root of 305300012 is about 17472.8364039729. The cubic root of 305300012 is about 673.3521850967.

Adding to 305300012 its reverse (210003503), we get a palindrome (515303515).

The spelling of 305300012 in words is "three hundred five million, three hundred thousand, twelve".