212212311022 has 8 divisors (see below), whose sum is σ = 318875943672. Its totient is φ = 105920329800.

The previous prime is 212212310983. The next prime is 212212311043. The reversal of 212212311022 is 220113212212.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 92911429 + ... + 92913712.

It is an arithmetic number, because the mean of its divisors is an integer number (39859492959).

Almost surely, 2^212212311022 is an apocalyptic number.

212212311022 is a deficient number, since it is larger than the sum of its proper divisors (106663632650).

212212311022 is a wasteful number, since it uses less digits than its factorization.

212212311022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185825714.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 212212311022 its reverse (220113212212), we get a palindrome (432325523234).

It can be divided in two parts, 2122123 and 11022, that added together give a triangular number (2133145 = T₂₀₆₅).

The spelling of 212212311022 in words is "two hundred twelve billion, two hundred twelve million, three hundred eleven thousand, twenty-two".