212010221210202 has 24 divisors (see below), whose sum is σ = 459358707422784. Its totient is φ = 70669577100744.

The previous prime is 212010221210131. The next prime is 212010221210251. The reversal of 212010221210202 is 202012122010212.

It is a happy number.

212010221210202 is a `hidden beast` number, since 2 + 1 + 20 + 10 + 221 + 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 pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 38749288 + ... + 43880835.

It is an arithmetic number, because the mean of its divisors is an integer number (19139946142616).

Almost surely, 2^{212010221210202} is an apocalyptic number.

212010221210202 is an abundant number, since it is smaller than the sum of its proper divisors (247348486212582).

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

212010221210202 is a wasteful number, since it uses less digits than its factorization.

212010221210202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82772674 (or 82772671 counting only the distinct ones).

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

Adding to 212010221210202 its reverse (202012122010212), we get a palindrome (414022343220414).

The spelling of 212010221210202 in words is "two hundred twelve trillion, ten billion, two hundred twenty-one million, two hundred ten thousand, two hundred two".