212044312 has 8 divisors (see below), whose sum is σ = 397583100. Its totient is φ = 106022152.

The previous prime is 212044303. The next prime is 212044321. The reversal of 212044312 is 213440212.

It is an interprime number because it is at equal distance from previous prime (212044303) and next prime (212044321).

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 212044312.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13252762 + ... + 13252777.

Almost surely, 2^212044312 is an apocalyptic number.

It is an amenable number.

212044312 is a deficient number, since it is larger than the sum of its proper divisors (185538788).

212044312 is a wasteful number, since it uses less digits than its factorization.

212044312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26505545 (or 26505541 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 212044312 is about 14561.7413793818. The cubic root of 212044312 is about 596.3147369963.

Adding to 212044312 its reverse (213440212), we get a palindrome (425484524).

The spelling of 212044312 in words is "two hundred twelve million, forty-four thousand, three hundred twelve".