2011212030 has 128 divisors (see below), whose sum is σ = 5266529280. Its totient is φ = 489646080.

The previous prime is 2011211999. The next prime is 2011212053. The reversal of 2011212030 is 302121102.

It is a junction number, because it is equal to n+sod(n) for n = 2011211997 and 2011212015.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2425656 + ... + 2426484.

It is an arithmetic number, because the mean of its divisors is an integer number (41144760).

Almost surely, 2^2011212030 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2011212030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2633264640).

2011212030 is an abundant number, since it is smaller than the sum of its proper divisors (3255317250).

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

2011212030 is a wasteful number, since it uses less digits than its factorization.

2011212030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 994.

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

The square root of 2011212030 is about 44846.5386624208. The cubic root of 2011212030 is about 1262.2710427534.

Adding to 2011212030 its reverse (302121102), we get a palindrome (2313333132).

The spelling of 2011212030 in words is "two billion, eleven million, two hundred twelve thousand, thirty".