212210110012212 has 192 divisors, whose sum is σ = 594471407765760. Its totient is φ = 65077719902208.

The previous prime is 212210110012211. The next prime is 212210110012253. The reversal of 212210110012212 is 212210011012212.

212210110012212 is a `hidden beast` number, since 212 + 210 + 110 + 0 + 122 + 12 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212210110012211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3580185808 + ... + 3580245080.

It is an arithmetic number, because the mean of its divisors is an integer number (3096205248780).

Almost surely, 2^{212210110012212} 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 212210110012212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (297235703882880).

212210110012212 is an abundant number, since it is smaller than the sum of its proper divisors (382261297753548).

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

212210110012212 is a wasteful number, since it uses less digits than its factorization.

212210110012212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67759 (or 67751 counting only the distinct ones).

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

Adding to 212210110012212 its reverse (212210011012212), we get a palindrome (424420121024424).

The spelling of 212210110012212 in words is "two hundred twelve trillion, two hundred ten billion, one hundred ten million, twelve thousand, two hundred twelve".