212999344 has 20 divisors (see below), whose sum is σ = 413332920. Its totient is φ = 106332800.

The previous prime is 212999333. The next prime is 212999351. The reversal of 212999344 is 443999212.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 212999344.

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, 444 + ... + 20644.

It is an arithmetic number, because the mean of its divisors is an integer number (20666646).

Almost surely, 2^212999344 is an apocalyptic number.

It is an amenable number.

212999344 is a deficient number, since it is larger than the sum of its proper divisors (200333576).

212999344 is a wasteful number, since it uses less digits than its factorization.

212999344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20868 (or 20862 counting only the distinct ones).

The product of its digits is 139968, while the sum is 43.

The square root of 212999344 is about 14594.4970451194. The cubic root of 212999344 is about 597.2086488846.

The spelling of 212999344 in words is "two hundred twelve million, nine hundred ninety-nine thousand, three hundred forty-four".