303020012 has 24 divisors (see below), whose sum is σ = 544102272. Its totient is φ = 147574400.

The previous prime is 303019979. The next prime is 303020017. The reversal of 303020012 is 210020303.

It is a super-2 number, since 2×303020012² = 183642255344960288, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 303019975 and 303020002.

It is not an unprimeable number, because it can be changed into a prime (303020017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 140462 + ... + 142602.

It is an arithmetic number, because the mean of its divisors is an integer number (22670928).

Almost surely, 2^303020012 is an apocalyptic number.

It is an amenable number.

303020012 is a deficient number, since it is larger than the sum of its proper divisors (241082260).

303020012 is a wasteful number, since it uses less digits than its factorization.

303020012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3049 (or 3047 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 11.

The square root of 303020012 is about 17407.4700057188. The cubic root of 303020012 is about 671.6717826277.

Adding to 303020012 its reverse (210020303), we get a palindrome (513040315).

The spelling of 303020012 in words is "three hundred three million, twenty thousand, twelve".