211010212012212 has 144 divisors (see below), whose sum is σ = 560607640879104. Its totient is φ = 66836264616000.

The previous prime is 211010212012151. The next prime is 211010212012289. The reversal of 211010212012212 is 212210212010112.

211010212012212 is a `hidden beast` number, since 211 + 0 + 10 + 21 + 201 + 221 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 18717037 + ... + 27791147.

It is an arithmetic number, because the mean of its divisors is an integer number (3893108617216).

Almost surely, 2^{211010212012212} 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 211010212012212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (280303820439552).

211010212012212 is an abundant number, since it is smaller than the sum of its proper divisors (349597428866892).

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

211010212012212 is a wasteful number, since it uses less digits than its factorization.

211010212012212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9074530 (or 9074525 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 211010212012212 its reverse (212210212010112), we get a palindrome (423220424022324).

The spelling of 211010212012212 in words is "two hundred eleven trillion, ten billion, two hundred twelve million, twelve thousand, two hundred twelve".