210120120112 has 80 divisors (see below), whose sum is σ = 474996741120. Its totient is φ = 88180015104.

The previous prime is 210120120079. The next prime is 210120120143. The reversal of 210120120112 is 211021021012.

It is a junction number, because it is equal to n+sod(n) for n = 210120120092 and 210120120101.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1636393 + ... + 1760119.

It is an arithmetic number, because the mean of its divisors is an integer number (5937459264).

Almost surely, 2^210120120112 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 210120120112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (237498370560).

210120120112 is an abundant number, since it is smaller than the sum of its proper divisors (264876621008).

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

210120120112 is a wasteful number, since it uses less digits than its factorization.

210120120112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124058 (or 124052 counting only the distinct ones).

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

Adding to 210120120112 its reverse (211021021012), we get a palindrome (421141141124).

The spelling of 210120120112 in words is "two hundred ten billion, one hundred twenty million, one hundred twenty thousand, one hundred twelve".