1200211120012 has 48 divisors (see below), whose sum is σ = 2146758465600. Its totient is φ = 586994284800.

The previous prime is 1200211120007. The next prime is 1200211120027. The reversal of 1200211120012 is 2100211120021.

It is a junction number, because it is equal to n+sod(n) for n = 1200211119974 and 1200211120001.

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 in 15 ways as a sum of consecutive naturals, for example, 37094962 + ... + 37127302.

It is an arithmetic number, because the mean of its divisors is an integer number (44724134700).

Almost surely, 2^{1200211120012} is an apocalyptic number.

It is an amenable number.

1200211120012 is a deficient number, since it is larger than the sum of its proper divisors (946547345588).

1200211120012 is a wasteful number, since it uses less digits than its factorization.

1200211120012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33442 (or 33440 counting only the distinct ones).

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

Adding to 1200211120012 its reverse (2100211120021), we get a palindrome (3300422240033).

Subtracting 1200211120012 from its reverse (2100211120021), we obtain a palindrome (900000000009).

The spelling of 1200211120012 in words is "one trillion, two hundred billion, two hundred eleven million, one hundred twenty thousand, twelve".