212201012221010 has 16 divisors (see below), whose sum is σ = 381979769184576. Its totient is φ = 84876416624688.

The previous prime is 212201012220913. The next prime is 212201012221031. The reversal of 212201012221010 is 10122210102212.

It is a self number, because there is not a number n which added to its sum of digits gives 212201012221010.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 498309494 + ... + 498735153.

It is an arithmetic number, because the mean of its divisors is an integer number (23873735574036).

Almost surely, 2^{212201012221010} is an apocalyptic number.

212201012221010 is a deficient number, since it is larger than the sum of its proper divisors (169778756963566).

212201012221010 is a wasteful number, since it uses less digits than its factorization.

212201012221010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 997065937.

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

Adding to 212201012221010 its reverse (10122210102212), we get a palindrome (222323222323222).

The spelling of 212201012221010 in words is "two hundred twelve trillion, two hundred one billion, twelve million, two hundred twenty-one thousand, ten".