12211332312330 has 24 divisors (see below), whose sum is σ = 31749464012292. Its totient is φ = 3256355283264.

The previous prime is 12211332312299. The next prime is 12211332312359. The reversal of 12211332312330 is 3321323311221.

12211332312330 is a `hidden beast` number, since 1 + 2 + 2 + 1 + 1 + 3 + 323 + 1 + 2 + 330 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 11643948256329 + 567384056001 = 3412323^2 + 753249^2 .

It is a junction number, because it is equal to n+sod(n) for n = 12211332312294 and 12211332312303.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 67840734979 + ... + 67840735158.

Almost surely, 2^{12211332312330} is an apocalyptic number.

12211332312330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12211332312330 is an abundant number, since it is smaller than the sum of its proper divisors (19538131699962).

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

12211332312330 is a wasteful number, since it uses less digits than its factorization.

12211332312330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135681470150 (or 135681470147 counting only the distinct ones).

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

Adding to 12211332312330 its reverse (3321323311221), we get a palindrome (15532655623551).

The spelling of 12211332312330 in words is "twelve trillion, two hundred eleven billion, three hundred thirty-two million, three hundred twelve thousand, three hundred thirty".