212112020210202 has 128 divisors (see below), whose sum is σ = 540475407360000. Its totient is φ = 60403699867968.

The previous prime is 212112020210147. The next prime is 212112020210213. The reversal of 212112020210202 is 202012020211212.

It is a happy number.

212112020210202 is a `hidden beast` number, since 2 + 1 + 211 + 20 + 20 + 210 + 202 = 666.

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

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 145077423 + ... + 146532189.

It is an arithmetic number, because the mean of its divisors is an integer number (4222464120000).

Almost surely, 2^{212112020210202} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 212112020210202, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (270237703680000).

212112020210202 is an abundant number, since it is smaller than the sum of its proper divisors (328363387149798).

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

212112020210202 is a wasteful number, since it uses less digits than its factorization.

212112020210202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1456057 (or 1456051 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 212112020210202 its reverse (202012020211212), we get a palindrome (414124040421414).

The spelling of 212112020210202 in words is "two hundred twelve trillion, one hundred twelve billion, twenty million, two hundred ten thousand, two hundred two".