212303466 has 12 divisors (see below), whose sum is σ = 459990882. Its totient is φ = 70767816.

The previous prime is 212303449. The next prime is 212303477. The reversal of 212303466 is 664303212.

It can be written as a sum of positive squares in only one way, i.e., 143496441 + 68807025 = 11979^2 + 8295^2 .

It is a super-2 number, since 2×212303466² = 90145523351226312, which contains 22 as substring.

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 5 ways as a sum of consecutive naturals, for example, 5897301 + ... + 5897336.

Almost surely, 2^212303466 is an apocalyptic number.

212303466 is an abundant number, since it is smaller than the sum of its proper divisors (247687416).

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

212303466 is a wasteful number, since it uses less digits than its factorization.

212303466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11794645 (or 11794642 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

The square root of 212303466 is about 14570.6371171613. The cubic root of 212303466 is about 596.5575705715.

Adding to 212303466 its reverse (664303212), we get a palindrome (876606678).

The spelling of 212303466 in words is "two hundred twelve million, three hundred three thousand, four hundred sixty-six".