1200211112120 has 16 divisors (see below), whose sum is σ = 2700475002360. Its totient is φ = 480084444832.

The previous prime is 1200211112099. The next prime is 1200211112167. The reversal of 1200211112120 is 212111120021.

It is a junction number, because it is equal to n+sod(n) for n = 1200211112095 and 1200211112104.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15002638862 + ... + 15002638941.

Almost surely, 2^{1200211112120} is an apocalyptic number.

1200211112120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1200211112120 is an abundant number, since it is smaller than the sum of its proper divisors (1500263890240).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1200211112120 is a wasteful number, since it uses less digits than its factorization.

1200211112120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30005277814 (or 30005277810 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 1200211112120 its reverse (212111120021), we get a palindrome (1412322232141).

The spelling of 1200211112120 in words is "one trillion, two hundred billion, two hundred eleven million, one hundred twelve thousand, one hundred twenty".