12211311230 has 16 divisors (see below), whose sum is σ = 22340695104. Its totient is φ = 4804450080.

The previous prime is 12211311197. The next prime is 12211311253. The reversal of 12211311230 is 3211311221.

It is a super-2 number, since 2×12211311230² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12211311199 and 12211311208.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10008662 + ... + 10009881.

It is an arithmetic number, because the mean of its divisors is an integer number (1396293444).

Almost surely, 2^12211311230 is an apocalyptic number.

12211311230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12211311230 is a deficient number, since it is larger than the sum of its proper divisors (10129383874).

12211311230 is a wasteful number, since it uses less digits than its factorization.

12211311230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20018611.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 12211311230 its reverse (3211311221), we get a palindrome (15422622451).

Subtracting from 12211311230 its reverse (3211311221), we obtain a palindrome (9000000009).

The spelling of 12211311230 in words is "twelve billion, two hundred eleven million, three hundred eleven thousand, two hundred thirty".