1200002212 has 6 divisors (see below), whose sum is σ = 2100003878. Its totient is φ = 600001104.

The previous prime is 1200002201. The next prime is 1200002213. The reversal of 1200002212 is 2122000021.

It can be written as a sum of positive squares in only one way, i.e., 922579876 + 277422336 = 30374^2 + 16656^2 .

It is not an unprimeable number, because it can be changed into a prime (1200002213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 150000273 + ... + 150000280.

Almost surely, 2^1200002212 is an apocalyptic number.

It is an amenable number.

1200002212 is a deficient number, since it is larger than the sum of its proper divisors (900001666).

1200002212 is a wasteful number, since it uses less digits than its factorization.

1200002212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 300000557 (or 300000555 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

The square root of 1200002212 is about 34641.0480788327. The cubic root of 1200002212 is about 1062.6592221269.

Adding to 1200002212 its reverse (2122000021), we get a palindrome (3322002233).

The spelling of 1200002212 in words is "one billion, two hundred million, two thousand, two hundred twelve".