1200000212 has 12 divisors (see below), whose sum is σ = 2101500660. Its totient is φ = 599571456.

The previous prime is 1200000203. The next prime is 1200000227. The reversal of 1200000212 is 2120000021.

It can be written as a sum of positive squares in 2 ways, for example, as 41550916 + 1158449296 = 6446^2 + 34036^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1200000212.

It is a congruent number.

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, 100823 + ... + 112094.

It is an arithmetic number, because the mean of its divisors is an integer number (175125055).

Almost surely, 2^1200000212 is an apocalyptic number.

It is an amenable number.

1200000212 is a deficient number, since it is larger than the sum of its proper divisors (901500448).

1200000212 is a wasteful number, since it uses less digits than its factorization.

1200000212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214330 (or 214328 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 8.

The square root of 1200000212 is about 34641.0192113338. The cubic root of 1200000212 is about 1062.6586317614.

Adding to 1200000212 its reverse (2120000021), we get a palindrome (3320000233).

It can be divided in two parts, 120000021 and 2, that multiplied together give a palindrome (240000042).

The spelling of 1200000212 in words is "one billion, two hundred million, two hundred twelve", and thus it is an aban number.