212011212221210 has 32 divisors (see below), whose sum is σ = 391427039424960. Its totient is φ = 82634597071488.

The previous prime is 212011212221077. The next prime is 212011212221213. The reversal of 212011212221210 is 12122212110212.

212011212221210 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (212011212221213) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 588184187 + ... + 588544526.

It is an arithmetic number, because the mean of its divisors is an integer number (12232094982030).

Almost surely, 2^{212011212221210} is an apocalyptic number.

212011212221210 is a deficient number, since it is larger than the sum of its proper divisors (179415827203750).

212011212221210 is a wasteful number, since it uses less digits than its factorization.

212011212221210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1176729182.

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 212011212221210 its reverse (12122212110212), we get a palindrome (224133424331422).

The spelling of 212011212221210 in words is "two hundred twelve trillion, eleven billion, two hundred twelve million, two hundred twenty-one thousand, two hundred ten".