305011012 has 24 divisors (see below), whose sum is σ = 546215040. Its totient is φ = 148962720.

The previous prime is 305010989. The next prime is 305011019. The reversal of 305011012 is 210110503.

It is a junction number, because it is equal to n+sod(n) for n = 305010983 and 305011001.

It is not an unprimeable number, because it can be changed into a prime (305011019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 115062 + ... + 117682.

It is an arithmetic number, because the mean of its divisors is an integer number (22758960).

Almost surely, 2^305011012 is an apocalyptic number.

It is an amenable number.

305011012 is a deficient number, since it is larger than the sum of its proper divisors (241204028).

305011012 is a wasteful number, since it uses less digits than its factorization.

305011012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3291 (or 3289 counting only the distinct ones).

The product of its (nonzero) digits is 30, while the sum is 13.

The square root of 305011012 is about 17464.5644663702. The cubic root of 305011012 is about 673.1396507488.

Adding to 305011012 its reverse (210110503), we get a palindrome (515121515).

It can be divided in two parts, 30501 and 1012, that added together give a palindrome (31513).

The spelling of 305011012 in words is "three hundred five million, eleven thousand, twelve".