212310344 has 16 divisors (see below), whose sum is σ = 398473020. Its totient is φ = 106050880.

The previous prime is 212310283. The next prime is 212310347. The reversal of 212310344 is 443013212.

It can be written as a sum of positive squares in 2 ways, for example, as 175562500 + 36747844 = 13250^2 + 6062^2 .

It is not an unprimeable number, because it can be changed into a prime (212310347) 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, 4019 + ... + 20994.

Almost surely, 2^212310344 is an apocalyptic number.

It is an amenable number.

212310344 is a deficient number, since it is larger than the sum of its proper divisors (186162676).

212310344 is a wasteful number, since it uses less digits than its factorization.

212310344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26080 (or 26076 counting only the distinct ones).

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

The square root of 212310344 is about 14570.8731378734. The cubic root of 212310344 is about 596.5640127315.

Adding to 212310344 its reverse (443013212), we get a palindrome (655323556).

The spelling of 212310344 in words is "two hundred twelve million, three hundred ten thousand, three hundred forty-four".