12211323031332 has 54 divisors (see below), whose sum is σ = 31895357446134. Its totient is φ = 3939136450560.

The previous prime is 12211323031267. The next prime is 12211323031339. The reversal of 12211323031332 is 23313032311221.

12211323031332 is a `hidden beast` number, since 1 + 2 + 2 + 1 + 1 + 323 + 0 + 3 + 1 + 332 = 666.

It can be written as a sum of positive squares in only one way, i.e., 10329114643236 + 1882208388096 = 3213894^2 + 1371936^2 .

It is a junction number, because it is equal to n+sod(n) for n = 12211323031296 and 12211323031305.

It is not an unprimeable number, because it can be changed into a prime (12211323031339) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 176450013 + ... + 176519204.

It is an arithmetic number, because the mean of its divisors is an integer number (590654767521).

Almost surely, 2^{12211323031332} is an apocalyptic number.

12211323031332 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12211323031332 is an abundant number, since it is smaller than the sum of its proper divisors (19684034414802).

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

12211323031332 is a wasteful number, since it uses less digits than its factorization.

12211323031332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 352969289 (or 352969253 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 27.

Adding to 12211323031332 its reverse (23313032311221), we get a palindrome (35524355342553).

The spelling of 12211323031332 in words is "twelve trillion, two hundred eleven billion, three hundred twenty-three million, thirty-one thousand, three hundred thirty-two".