303021220212 has 48 divisors (see below), whose sum is σ = 785760366720. Its totient is φ = 100987814016.

The previous prime is 303021220121. The next prime is 303021220213. The reversal of 303021220212 is 212022120303.

303021220212 is a `hidden beast` number, since 30 + 302 + 122 + 0 + 212 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (303021220213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 307233 + ... + 836919.

It is an arithmetic number, because the mean of its divisors is an integer number (16370007640).

Almost surely, 2^303021220212 is an apocalyptic number.

It is an amenable number.

303021220212 is an abundant number, since it is smaller than the sum of its proper divisors (482739146508).

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

303021220212 is a wasteful number, since it uses less digits than its factorization.

303021220212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 534997 (or 534989 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 303021220212 its reverse (212022120303), we get a palindrome (515043340515).

Subtracting from 303021220212 its reverse (212022120303), we obtain a palindrome (90999099909).

The spelling of 303021220212 in words is "three hundred three billion, twenty-one million, two hundred twenty thousand, two hundred twelve".