212232313222 has 32 divisors (see below), whose sum is σ = 324163254240. Its totient is φ = 104188930560.

The previous prime is 212232313141. The next prime is 212232313229. The reversal of 212232313222 is 222313232212.

It is a super-2 number, since 2×212232313222² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212232313229) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 67999822 + ... + 68002942.

It is an arithmetic number, because the mean of its divisors is an integer number (10130101695).

Almost surely, 2^212232313222 is an apocalyptic number.

212232313222 is a deficient number, since it is larger than the sum of its proper divisors (111930941018).

212232313222 is a wasteful number, since it uses less digits than its factorization.

212232313222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4696.

The product of its digits is 3456, while the sum is 25.

Adding to 212232313222 its reverse (222313232212), we get a palindrome (434545545434).

The spelling of 212232313222 in words is "two hundred twelve billion, two hundred thirty-two million, three hundred thirteen thousand, two hundred twenty-two".