1200211002112 has 18 divisors (see below), whose sum is σ = 2395733680508. Its totient is φ = 600105500928.

The previous prime is 1200211002101. The next prime is 1200211002121. The reversal of 1200211002112 is 2112001120021.

It is a junction number, because it is equal to n+sod(n) for n = 1200211002092 and 1200211002101.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2344161858 + ... + 2344162369.

Almost surely, 2^{1200211002112} is an apocalyptic number.

It is an amenable number.

1200211002112 is a deficient number, since it is larger than the sum of its proper divisors (1195522678396).

1200211002112 is an frugal number, since it uses more digits than its factorization.

1200211002112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4688324243 (or 4688324229 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 1200211002112 its reverse (2112001120021), we get a palindrome (3312212122133).

The spelling of 1200211002112 in words is "one trillion, two hundred billion, two hundred eleven million, two thousand, one hundred twelve".