420300212 has 12 divisors (see below), whose sum is σ = 735731556. Its totient is φ = 210091200.

The previous prime is 420300211. The next prime is 420300217. The reversal of 420300212 is 212003024.

It can be written as a sum of positive squares in 2 ways, for example, as 103958416 + 316341796 = 10196^2 + 17786^2 .

It is a super-3 number, since 3×420300212³ (a number of 27 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420300211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3962 + ... + 29262.

It is an arithmetic number, because the mean of its divisors is an integer number (61310963).

Almost surely, 2^420300212 is an apocalyptic number.

It is an amenable number.

420300212 is a deficient number, since it is larger than the sum of its proper divisors (315431344).

420300212 is a wasteful number, since it uses less digits than its factorization.

420300212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29458 (or 29456 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 420300212 is about 20501.2246463473. The cubic root of 420300212 is about 749.0656287134.

Adding to 420300212 its reverse (212003024), we get a palindrome (632303236).

The spelling of 420300212 in words is "four hundred twenty million, three hundred thousand, two hundred twelve".