212013022284 has 288 divisors, whose sum is σ = 665566626816. Its totient is φ = 55517736960.

The previous prime is 212013022283. The next prime is 212013022313. The reversal of 212013022284 is 482220310212.

It is not an unprimeable number, because it can be changed into a prime (212013022283) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 155092969 + ... + 155094335.

It is an arithmetic number, because the mean of its divisors is an integer number (2310995232).

Almost surely, 2^212013022284 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 212013022284, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (332783313408).

212013022284 is an abundant number, since it is smaller than the sum of its proper divisors (453553604532).

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

212013022284 is a wasteful number, since it uses less digits than its factorization.

212013022284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2325 (or 2320 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

Adding to 212013022284 its reverse (482220310212), we get a palindrome (694233332496).

The spelling of 212013022284 in words is "two hundred twelve billion, thirteen million, twenty-two thousand, two hundred eighty-four".