212212121322322 has 48 divisors (see below), whose sum is σ = 350423165869056. Its totient is φ = 96312239416800.

The previous prime is 212212121322319. The next prime is 212212121322323. The reversal of 212212121322322 is 223223121212212.

It is a super-2 number, since 2×212212121322322² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (212212121322323) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3064533103 + ... + 3064602349.

It is an arithmetic number, because the mean of its divisors is an integer number (7300482622272).

Almost surely, 2^{212212121322322} is an apocalyptic number.

212212121322322 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

212212121322322 is a deficient number, since it is larger than the sum of its proper divisors (138211044546734).

212212121322322 is a wasteful number, since it uses less digits than its factorization.

212212121322322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88495 (or 88484 counting only the distinct ones).

The product of its digits is 4608, while the sum is 28.

Adding to 212212121322322 its reverse (223223121212212), we get a palindrome (435435242534534).

The spelling of 212212121322322 in words is "two hundred twelve trillion, two hundred twelve billion, one hundred twenty-one million, three hundred twenty-two thousand, three hundred twenty-two".