212013344 has 12 divisors (see below), whose sum is σ = 417401334. Its totient is φ = 106006656.

The previous prime is 212013323. The next prime is 212013353. The reversal of 212013344 is 443310212.

It can be written as a sum of positive squares in only one way, i.e., 116208400 + 95804944 = 10780^2 + 9788^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3312677 + ... + 3312740.

Almost surely, 2^212013344 is an apocalyptic number.

It is an amenable number.

212013344 is a deficient number, since it is larger than the sum of its proper divisors (205387990).

212013344 is an equidigital number, since it uses as much as digits as its factorization.

212013344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6625427 (or 6625419 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 212013344 is about 14560.6780061919. The cubic root of 212013344 is about 596.2857059986.

Adding to 212013344 its reverse (443310212), we get a palindrome (655323556).

The spelling of 212013344 in words is "two hundred twelve million, thirteen thousand, three hundred forty-four".