303013221012 has 72 divisors (see below), whose sum is σ = 771616246856. Its totient is φ = 100258539264.

The previous prime is 303013220947. The next prime is 303013221031. The reversal of 303013221012 is 210122310303.

303013221012 is a `hidden beast` number, since 30 + 301 + 322 + 1 + 0 + 12 = 666.

303013221012 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 92998161936 + 210015059076 = 304956^2 + 458274^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

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, 5608158 + ... + 5661930.

Almost surely, 2^303013221012 is an apocalyptic number.

It is an amenable number.

303013221012 is an abundant number, since it is smaller than the sum of its proper divisors (468603025844).

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

303013221012 is a wasteful number, since it uses less digits than its factorization.

303013221012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54937 (or 54932 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 303013221012 its reverse (210122310303), we get a palindrome (513135531315).

The spelling of 303013221012 in words is "three hundred three billion, thirteen million, two hundred twenty-one thousand, twelve".