212310304 has 24 divisors (see below), whose sum is σ = 418321260. Its totient is φ = 106070016.

The previous prime is 212310283. The next prime is 212310347. The reversal of 212310304 is 403013212.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 211411600 + 898704 = 14540^2 + 948^2 .

It is a Harshad number since it is a multiple of its sum of digits (16).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62112 + ... + 65440.

Almost surely, 2^212310304 is an apocalyptic number.

It is an amenable number.

212310304 is a deficient number, since it is larger than the sum of its proper divisors (206010956).

212310304 is a wasteful number, since it uses less digits than its factorization.

212310304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5332 (or 5324 counting only the distinct ones).

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

The square root of 212310304 is about 14570.8717652720. The cubic root of 212310304 is about 596.5639752666.

Adding to 212310304 its reverse (403013212), we get a palindrome (615323516).

The spelling of 212310304 in words is "two hundred twelve million, three hundred ten thousand, three hundred four".