1210120200112 has 80 divisors (see below), whose sum is σ = 2638126149120. Its totient is φ = 534919334400.

The previous prime is 1210120200103. The next prime is 1210120200197. The reversal of 1210120200112 is 2110020210121.

It is a junction number, because it is equal to n+sod(n) for n = 1210120200092 and 1210120200101.

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, 1823964 + ... + 2397307.

It is an arithmetic number, because the mean of its divisors is an integer number (32976576864).

Almost surely, 2^{1210120200112} is an apocalyptic number.

It is an amenable number.

1210120200112 is an abundant number, since it is smaller than the sum of its proper divisors (1428005949008).

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

1210120200112 is a wasteful number, since it uses less digits than its factorization.

1210120200112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4221362 (or 4221356 counting only the distinct ones).

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

Adding to 1210120200112 its reverse (2110020210121), we get a palindrome (3320140410233).

The spelling of 1210120200112 in words is "one trillion, two hundred ten billion, one hundred twenty million, two hundred thousand, one hundred twelve".