212122012111010 has 16 divisors (see below), whose sum is σ = 382118151628800. Its totient is φ = 84782464882416.

The previous prime is 212122012111007. The next prime is 212122012111019. The reversal of 212122012111010 is 10111210221212.

It is a self number, because there is not a number n which added to its sum of digits gives 212122012111010.

It is not an unprimeable number, because it can be changed into a prime (212122012111019) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8292481820 + ... + 8292507399.

It is an arithmetic number, because the mean of its divisors is an integer number (23882384476800).

Almost surely, 2^{212122012111010} is an apocalyptic number.

212122012111010 is a deficient number, since it is larger than the sum of its proper divisors (169996139517790).

212122012111010 is a wasteful number, since it uses less digits than its factorization.

212122012111010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16584990505.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 212122012111010 its reverse (10111210221212), we get a palindrome (222233222332222).

The spelling of 212122012111010 in words is "two hundred twelve trillion, one hundred twenty-two billion, twelve million, one hundred eleven thousand, ten".