2012220001323 has 48 divisors (see below), whose sum is σ = 3351853080576. Its totient is φ = 1139468978880.

The previous prime is 2012220001301. The next prime is 2012220001343. The reversal of 2012220001323 is 3231000222102.

2012220001323 is a `hidden beast` number, since 20 + 122 + 200 + 0 + 1 + 323 = 666.

It is not a de Polignac number, because 2012220001323 - 2⁸ = 2012220001067 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2012220001296 and 2012220001305.

It is not an unprimeable number, because it can be changed into a prime (2012220001343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2846761 + ... + 3482597.

It is an arithmetic number, because the mean of its divisors is an integer number (69830272512).

Almost surely, 2^{2012220001323} is an apocalyptic number.

2012220001323 is a deficient number, since it is larger than the sum of its proper divisors (1339633079253).

2012220001323 is a wasteful number, since it uses less digits than its factorization.

2012220001323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 636304 (or 636301 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 2012220001323 its reverse (3231000222102), we get a palindrome (5243220223425).

The spelling of 2012220001323 in words is "two trillion, twelve billion, two hundred twenty million, one thousand, three hundred twenty-three".