20201210112 has 144 divisors (see below), whose sum is σ = 55183650368. Its totient is φ = 6556999680.

The previous prime is 20201210111. The next prime is 20201210129. The reversal of 20201210112 is 21101210202.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is not an unprimeable number, because it can be changed into a prime (20201210111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13902378 + ... + 13903830.

Almost surely, 2^20201210112 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 20201210112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27591825184).

20201210112 is an abundant number, since it is smaller than the sum of its proper divisors (34982440256).

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

20201210112 is a wasteful number, since it uses less digits than its factorization.

20201210112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1936 (or 1922 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 20201210112 its reverse (21101210202), we get a palindrome (41302420314).

The spelling of 20201210112 in words is "twenty billion, two hundred one million, two hundred ten thousand, one hundred twelve".