300400212 has 96 divisors (see below), whose sum is σ = 836075520. Its totient is φ = 82131840.

The previous prime is 300400201. The next prime is 300400213. The reversal of 300400212 is 212004003.

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 (300400213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 308887 + ... + 309857.

It is an arithmetic number, because the mean of its divisors is an integer number (8709120).

Almost surely, 2^300400212 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 300400212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (418037760).

300400212 is an abundant number, since it is smaller than the sum of its proper divisors (535675308).

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

300400212 is a wasteful number, since it uses less digits than its factorization.

300400212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1141 (or 1139 counting only the distinct ones).

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

The square root of 300400212 is about 17332.0573504705. The cubic root of 300400212 is about 669.7305012506.

Adding to 300400212 its reverse (212004003), we get a palindrome (512404215).

The spelling of 300400212 in words is "three hundred million, four hundred thousand, two hundred twelve".