212301304 has 16 divisors (see below), whose sum is σ = 421480800. Its totient is φ = 99906432.

The previous prime is 212301283. The next prime is 212301311. The reversal of 212301304 is 403103212.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 780384 + ... + 780655.

It is an arithmetic number, because the mean of its divisors is an integer number (26342550).

Almost surely, 2^212301304 is an apocalyptic number.

It is an amenable number.

212301304 is a deficient number, since it is larger than the sum of its proper divisors (209179496).

212301304 is a wasteful number, since it uses less digits than its factorization.

212301304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1561062 (or 1561058 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 212301304 is about 14570.5629266683. The cubic root of 212301304 is about 596.5555455428. Note that the first 4 decimals are identical.

Adding to 212301304 its reverse (403103212), we get a palindrome (615404516).

The spelling of 212301304 in words is "two hundred twelve million, three hundred one thousand, three hundred four".