12211213322 has 128 divisors (see below), whose sum is σ = 25666191360. Its totient is φ = 4206504960.

The previous prime is 12211213279. The next prime is 12211213331. The reversal of 12211213322 is 22331211221.

It is a super-2 number, since 2×12211213322² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12211213294 and 12211213303.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 6316268 + ... + 6318200.

It is an arithmetic number, because the mean of its divisors is an integer number (200517120).

Almost surely, 2^12211213322 is an apocalyptic number.

12211213322 is an abundant number, since it is smaller than the sum of its proper divisors (13454978038).

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

12211213322 is a wasteful number, since it uses less digits than its factorization.

12211213322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2116.

The product of its digits is 288, while the sum is 20.

Adding to 12211213322 its reverse (22331211221), we get a palindrome (34542424543).

The spelling of 12211213322 in words is "twelve billion, two hundred eleven million, two hundred thirteen thousand, three hundred twenty-two".