303412212 has 36 divisors (see below), whose sum is σ = 770950180. Its totient is φ = 100611072.

The previous prime is 303412211. The next prime is 303412229. The reversal of 303412212 is 212214303.

It can be written as a sum of positive squares in 2 ways, for example, as 100520676 + 202891536 = 10026^2 + 14244^2 .

It is a tau number, because it is divible by the number of its divisors (36).

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 (303412211) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14887 + ... + 28782.

Almost surely, 2^303412212 is an apocalyptic number.

It is an amenable number.

303412212 is an abundant number, since it is smaller than the sum of its proper divisors (467537968).

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

303412212 is a wasteful number, since it uses less digits than its factorization.

303412212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43872 (or 43867 counting only the distinct ones).

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

The square root of 303412212 is about 17418.7316415404. The cubic root of 303412212 is about 671.9614401769.

Adding to 303412212 its reverse (212214303), we get a palindrome (515626515).

The spelling of 303412212 in words is "three hundred three million, four hundred twelve thousand, two hundred twelve".