1200002212012 has 6 divisors (see below), whose sum is σ = 2100003871028. Its totient is φ = 600001106004.

The previous prime is 1200002212007. The next prime is 1200002212033. The reversal of 1200002212012 is 2102122000021.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1200002211983 and 1200002212001.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 150000276498 + ... + 150000276505.

Almost surely, 2^{1200002212012} is an apocalyptic number.

It is an amenable number.

1200002212012 is a deficient number, since it is larger than the sum of its proper divisors (900001659016).

1200002212012 is a wasteful number, since it uses less digits than its factorization.

1200002212012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 300000553007 (or 300000553005 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 1200002212012 its reverse (2102122000021), we get a palindrome (3302124212033).

The spelling of 1200002212012 in words is "one trillion, two hundred billion, two million, two hundred twelve thousand, twelve".