303000012 has 72 divisors (see below), whose sum is σ = 878326176. Its totient is φ = 86275584.

The previous prime is 303000007. The next prime is 303000041. The reversal of 303000012 is 210000303.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 302999958 and 303000003.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 77988 + ... + 81780.

Almost surely, 2^303000012 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 303000012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (439163088).

303000012 is an abundant number, since it is smaller than the sum of its proper divisors (575326164).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

303000012 is a wasteful number, since it uses less digits than its factorization.

303000012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4127 (or 4122 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 9.

The square root of 303000012 is about 17406.8955302202. The cubic root of 303000012 is about 671.6570050215.

Adding to 303000012 its reverse (210000303), we get a palindrome (513000315).

The spelling of 303000012 in words is "three hundred three million, twelve", and thus it is an aban number.