2100212130 has 96 divisors (see below), whose sum is σ = 5500005696. Its totient is φ = 512787456.

The previous prime is 2100212111. The next prime is 2100212141. The reversal of 2100212130 is 312120012.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 317517 + ... + 324063.

It is an arithmetic number, because the mean of its divisors is an integer number (57291726).

Almost surely, 2^2100212130 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2100212130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2750002848).

2100212130 is an abundant number, since it is smaller than the sum of its proper divisors (3399793566).

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

2100212130 is a wasteful number, since it uses less digits than its factorization.

2100212130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6628 (or 6611 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 2100212130 is about 45828.0714191640. The cubic root of 2100212130 is about 1280.6222824656.

Adding to 2100212130 its reverse (312120012), we get a palindrome (2412332142).

The spelling of 2100212130 in words is "two billion, one hundred million, two hundred twelve thousand, one hundred thirty".