1000000212 has 12 divisors (see below), whose sum is σ = 2333333856. Its totient is φ = 333333400.

The previous prime is 1000000207. The next prime is 1000000223. The reversal of 1000000212 is 2120000001.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a Harshad number since it is a multiple of its sum of digits (6).

It is a self number, because there is not a number n which added to its sum of digits gives 1000000212.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41666664 + ... + 41666687.

It is an arithmetic number, because the mean of its divisors is an integer number (194444488).

Almost surely, 2^1000000212 is an apocalyptic number.

1000000212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1000000212 is an abundant number, since it is smaller than the sum of its proper divisors (1333333644).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1000000212 is a wasteful number, since it uses less digits than its factorization.

1000000212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83333358 (or 83333356 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 6.

The square root of 1000000212 is about 31622.7799536979. The cubic root of 1000000212 is about 1000.0000706667. Note that the first 4 decimals are identical.

Adding to 1000000212 its reverse (2120000001), we get a palindrome (3120000213).

The spelling of 1000000212 in words is "one billion, two hundred twelve", and thus it is an aban number.