303020212 has 12 divisors (see below), whose sum is σ = 578493216. Its totient is φ = 137736440.

The previous prime is 303020209. The next prime is 303020231. The reversal of 303020212 is 212020303.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 303020192 and 303020201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3443368 + ... + 3443455.

It is an arithmetic number, because the mean of its divisors is an integer number (48207768).

Almost surely, 2^303020212 is an apocalyptic number.

It is an amenable number.

303020212 is a deficient number, since it is larger than the sum of its proper divisors (275473004).

303020212 is a wasteful number, since it uses less digits than its factorization.

303020212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6886838 (or 6886836 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 303020212 is about 17407.4757503781. The cubic root of 303020212 is about 671.6719304005.

Adding to 303020212 its reverse (212020303), we get a palindrome (515040515).

Subtracting from 303020212 its reverse (212020303), we obtain a palindrome (90999909).

The spelling of 303020212 in words is "three hundred three million, twenty thousand, two hundred twelve".