212102212022112 has 96 divisors (see below), whose sum is σ = 562665268150272. Its totient is φ = 69952323907584.

The previous prime is 212102212022101. The next prime is 212102212022171. The reversal of 212102212022112 is 211220212201212.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30186373 + ... + 36543419.

It is an arithmetic number, because the mean of its divisors is an integer number (5861096543232).

Almost surely, 2^{212102212022112} 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 212102212022112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (281332634075136).

212102212022112 is an abundant number, since it is smaller than the sum of its proper divisors (350563056128160).

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

212102212022112 is a wasteful number, since it uses less digits than its factorization.

212102212022112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6360740 (or 6360732 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 212102212022112 its reverse (211220212201212), we get a palindrome (423322424223324).

The spelling of 212102212022112 in words is "two hundred twelve trillion, one hundred two billion, two hundred twelve million, twenty-two thousand, one hundred twelve".