212102120212010 has 32 divisors (see below), whose sum is σ = 441581281610112. Its totient is φ = 71844573591360.

The previous prime is 212102120212007. The next prime is 212102120212067. The reversal of 212102120212010 is 10212021201212.

It is a self number, because there is not a number n which added to its sum of digits gives 212102120212010.

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, 18253188701 + ... + 18253200320.

It is an arithmetic number, because the mean of its divisors is an integer number (13799415050316).

Almost surely, 2^{212102120212010} is an apocalyptic number.

212102120212010 is an abundant number, since it is smaller than the sum of its proper divisors (229479161398102).

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

212102120212010 is a wasteful number, since it uses less digits than its factorization.

212102120212010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36506389118.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 212102120212010 its reverse (10212021201212), we get a palindrome (222314141413222).

The spelling of 212102120212010 in words is "two hundred twelve trillion, one hundred two billion, one hundred twenty million, two hundred twelve thousand, ten".