2112420210 has 64 divisors (see below), whose sum is σ = 5123948544. Its totient is φ = 557323200.

The previous prime is 2112420143. The next prime is 2112420269. The reversal of 2112420210 is 120242112.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 2112420210.

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, 2175025 + ... + 2175995.

It is an arithmetic number, because the mean of its divisors is an integer number (80061696).

Almost surely, 2^2112420210 is an apocalyptic number.

2112420210 is an abundant number, since it is smaller than the sum of its proper divisors (3011528334).

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

2112420210 is a wasteful number, since it uses less digits than its factorization.

2112420210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1679.

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 2112420210 is about 45961.0727681589. The cubic root of 2112420210 is about 1283.0988171385.

Adding to 2112420210 its reverse (120242112), we get a palindrome (2232662322).

The spelling of 2112420210 in words is "two billion, one hundred twelve million, four hundred twenty thousand, two hundred ten".