4021152212 has 96 divisors (see below), whose sum is σ = 8897091840. Its totient is φ = 1544785920.

The previous prime is 4021152173. The next prime is 4021152227. The reversal of 4021152212 is 2122511204.

It is a super-2 number, since 2×4021152212² = 32339330224144985888, which contains 22 as substring.

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, 9831464 + ... + 9831872.

It is an arithmetic number, because the mean of its divisors is an integer number (92678040).

Almost surely, 2^4021152212 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 4021152212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4448545920).

4021152212 is an abundant number, since it is smaller than the sum of its proper divisors (4875939628).

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

4021152212 is a wasteful number, since it uses less digits than its factorization.

4021152212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 801 (or 799 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 20.

The square root of 4021152212 is about 63412.5556337229. Note that the first 3 decimals coincide. The cubic root of 4021152212 is about 1590.1942212280.

Adding to 4021152212 its reverse (2122511204), we get a palindrome (6143663416).

The spelling of 4021152212 in words is "four billion, twenty-one million, one hundred fifty-two thousand, two hundred twelve".