212004321102 has 144 divisors (see below), whose sum is σ = 543942313200. Its totient is φ = 59485950720.

The previous prime is 212004321083. The next prime is 212004321119. The reversal of 212004321102 is 201123400212.

It is a happy number.

212004321102 is a `hidden beast` number, since 2 + 120 + 0 + 432 + 110 + 2 = 666.

212004321102 is digitally balanced in base 7, because in such base it contains all the possibile digits an equal number of times.

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 71 ways as a sum of consecutive naturals, for example, 86850202 + ... + 86852642.

It is an arithmetic number, because the mean of its divisors is an integer number (3777377175).

Almost surely, 2^212004321102 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 212004321102, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (271971156600).

212004321102 is an abundant number, since it is smaller than the sum of its proper divisors (331937992098).

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

212004321102 is a wasteful number, since it uses less digits than its factorization.

212004321102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4191 (or 4181 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 212004321102 its reverse (201123400212), we get a palindrome (413127721314).

The spelling of 212004321102 in words is "two hundred twelve billion, four million, three hundred twenty-one thousand, one hundred two".