212012110222222 has 8 divisors (see below), whose sum is σ = 318020432956200. Its totient is φ = 106005299236824.

The previous prime is 212012110222193. The next prime is 212012110222223. The reversal of 212012110222222 is 222222011210212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×212012110222222² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 212012110222193 and 212012110222202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212012110222223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 377586472 + ... + 378147547.

It is an arithmetic number, because the mean of its divisors is an integer number (39752554119525).

Almost surely, 2^{212012110222222} is an apocalyptic number.

212012110222222 is a deficient number, since it is larger than the sum of its proper divisors (106008322733978).

212012110222222 is a wasteful number, since it uses less digits than its factorization.

212012110222222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 755874290.

The product of its (nonzero) digits is 512, while the sum is 22.

Adding to 212012110222222 its reverse (222222011210212), we get a palindrome (434234121432434).

The spelling of 212012110222222 in words is "two hundred twelve trillion, twelve billion, one hundred ten million, two hundred twenty-two thousand, two hundred twenty-two".