12211022123320 has 32 divisors (see below), whose sum is σ = 27581705636400. Its totient is φ = 4865403363328.

The previous prime is 12211022123273. The next prime is 12211022123327. The reversal of 12211022123320 is 2332122011221.

It is a super-2 number, since 2×12211022123320² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12211022123291 and 12211022123300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12211022123327) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 593911030 + ... + 593931589.

Almost surely, 2^{12211022123320} is an apocalyptic number.

12211022123320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12211022123320 is an abundant number, since it is smaller than the sum of its proper divisors (15370683513080).

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

12211022123320 is a wasteful number, since it uses less digits than its factorization.

12211022123320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1187842887 (or 1187842883 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 12211022123320 its reverse (2332122011221), we get a palindrome (14543144134541).

The spelling of 12211022123320 in words is "twelve trillion, two hundred eleven billion, twenty-two million, one hundred twenty-three thousand, three hundred twenty".