300040212 has 24 divisors (see below), whose sum is σ = 711572512. Its totient is φ = 98373600.

The previous prime is 300040211. The next prime is 300040297. The reversal of 300040212 is 212040003.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (300040211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 204214 + ... + 205677.

Almost surely, 2^300040212 is an apocalyptic number.

It is an amenable number.

300040212 is an abundant number, since it is smaller than the sum of its proper divisors (411532300).

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

300040212 is a wasteful number, since it uses less digits than its factorization.

300040212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 409959 (or 409957 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 300040212 is about 17321.6688572435. The cubic root of 300040212 is about 669.4628590101.

Adding to 300040212 its reverse (212040003), we get a palindrome (512080215).

The spelling of 300040212 in words is "three hundred million, forty thousand, two hundred twelve".