2000021212 has 48 divisors (see below), whose sum is σ = 4190925312. Its totient is φ = 816552000.

The previous prime is 2000021207. The next prime is 2000021227. The reversal of 2000021212 is 2121200002.

It is a congruent number.

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, 155458 + ... + 167830.

It is an arithmetic number, because the mean of its divisors is an integer number (87310944).

Almost surely, 2^2000021212 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 2000021212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2095462656).

2000021212 is an abundant number, since it is smaller than the sum of its proper divisors (2190904100).

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

2000021212 is a wasteful number, since it uses less digits than its factorization.

2000021212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12658 (or 12656 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

The square root of 2000021212 is about 44721.5967067367. The cubic root of 2000021212 is about 1259.9255041200.

Adding to 2000021212 its reverse (2121200002), we get a palindrome (4121221214).

The spelling of 2000021212 in words is "two billion, twenty-one thousand, two hundred twelve".