212212122112110 has 32 divisors (see below), whose sum is σ = 509643504927360. Its totient is φ = 56552742356768.

The previous prime is 212212122112091. The next prime is 212212122112157. The reversal of 212212122112110 is 11211221212212.

It is a congruent number.

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, 2322258120 + ... + 2322349499.

It is an arithmetic number, because the mean of its divisors is an integer number (15926359528980).

Almost surely, 2^{212212122112110} is an apocalyptic number.

212212122112110 is an abundant number, since it is smaller than the sum of its proper divisors (297431382815250).

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

212212122112110 is a wasteful number, since it uses less digits than its factorization.

212212122112110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4644609152.

The product of its (nonzero) digits is 128, while the sum is 21.

Adding to 212212122112110 its reverse (11211221212212), we get a palindrome (223423343324322).

The spelling of 212212122112110 in words is "two hundred twelve trillion, two hundred twelve billion, one hundred twenty-two million, one hundred twelve thousand, one hundred ten".