12220012001323 has 24 divisors (see below), whose sum is σ = 14695421146560. Its totient is φ = 10125074494080.

The previous prime is 12220012001311. The next prime is 12220012001387. The reversal of 12220012001323 is 32310021002221.

It is not a de Polignac number, because 12220012001323 - 2³³ = 12211422066731 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12220012001323.

It is not an unprimeable number, because it can be changed into a prime (12220012001123) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 27683011 + ... + 28120972.

It is an arithmetic number, because the mean of its divisors is an integer number (612309214440).

Almost surely, 2^{12220012001323} is an apocalyptic number.

12220012001323 is a deficient number, since it is larger than the sum of its proper divisors (2475409145237).

12220012001323 is a wasteful number, since it uses less digits than its factorization.

12220012001323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55804147 (or 55804140 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 12220012001323 its reverse (32310021002221), we get a palindrome (44530033003544).

The spelling of 12220012001323 in words is "twelve trillion, two hundred twenty billion, twelve million, one thousand, three hundred twenty-three".