2120210012112 has 160 divisors (see below), whose sum is σ = 5642763506688. Its totient is φ = 685605731328.

The previous prime is 2120210012099. The next prime is 2120210012147. The reversal of 2120210012112 is 2112100120212.

It is a junction number, because it is equal to n+sod(n) for n = 2120210012091 and 2120210012100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 717983628 + ... + 717986580.

Almost surely, 2^{2120210012112} 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 2120210012112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2821381753344).

2120210012112 is an abundant number, since it is smaller than the sum of its proper divisors (3522553494576).

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

2120210012112 is a wasteful number, since it uses less digits than its factorization.

2120210012112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5257 (or 5251 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 2120210012112 its reverse (2112100120212), we get a palindrome (4232310132324).

The spelling of 2120210012112 in words is "two trillion, one hundred twenty billion, two hundred ten million, twelve thousand, one hundred twelve".