12332211312 has 20 divisors (see below), whose sum is σ = 31858212680. Its totient is φ = 4110737088.

The previous prime is 12332211299. The next prime is 12332211319. The reversal of 12332211312 is 21311223321.

It is a super-2 number, since 2×12332211312² (a number of 21 digits) contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12332211319) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 128460487 + ... + 128460582.

It is an arithmetic number, because the mean of its divisors is an integer number (1592910634).

Almost surely, 2^12332211312 is an apocalyptic number.

12332211312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12332211312 is an abundant number, since it is smaller than the sum of its proper divisors (19526001368).

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

12332211312 is a wasteful number, since it uses less digits than its factorization.

12332211312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256921080 (or 256921074 counting only the distinct ones).

The product of its digits is 432, while the sum is 21.

Adding to 12332211312 its reverse (21311223321), we get a palindrome (33643434633).

The spelling of 12332211312 in words is "twelve billion, three hundred thirty-two million, two hundred eleven thousand, three hundred twelve".