2122012001323 has 4 divisors (see below), whose sum is σ = 2122020625648. Its totient is φ = 2122003377000.

The previous prime is 2122012001293. The next prime is 2122012001327. The reversal of 2122012001323 is 3231002102212.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2122012001323 - 2²⁵ = 2121978446891 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2122012001323.

It is not an unprimeable number, because it can be changed into a prime (2122012001327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3931911 + ... + 4438912.

It is an arithmetic number, because the mean of its divisors is an integer number (530505156412).

Almost surely, 2^{2122012001323} is an apocalyptic number.

2122012001323 is a deficient number, since it is larger than the sum of its proper divisors (8624325).

2122012001323 is an equidigital number, since it uses as much as digits as its factorization.

2122012001323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8624324.

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

Adding to 2122012001323 its reverse (3231002102212), we get a palindrome (5353014103535).

The spelling of 2122012001323 in words is "two trillion, one hundred twenty-two billion, twelve million, one thousand, three hundred twenty-three".