212444464 has 20 divisors (see below), whose sum is σ = 412014304. Its totient is φ = 106118208.

The previous prime is 212444437. The next prime is 212444473. The reversal of 212444464 is 464444212.

212444464 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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, 11929 + ... + 23815.

Almost surely, 2^212444464 is an apocalyptic number.

It is an amenable number.

212444464 is a deficient number, since it is larger than the sum of its proper divisors (199569840).

212444464 is a wasteful number, since it uses less digits than its factorization.

212444464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13012 (or 13006 counting only the distinct ones).

The product of its digits is 24576, while the sum is 31.

The square root of 212444464 is about 14575.4747435547. The cubic root of 212444464 is about 596.6896061146.

Adding to 212444464 its reverse (464444212), we get a palindrome (676888676).

The spelling of 212444464 in words is "two hundred twelve million, four hundred forty-four thousand, four hundred sixty-four".