20212122421323 has 24 divisors (see below), whose sum is σ = 33587010552576. Its totient is φ = 11473295598000.

The previous prime is 20212122421321. The next prime is 20212122421397. The reversal of 20212122421323 is 32312422121202.

20212122421323 is a `hidden beast` number, since 2 + 0 + 2 + 1 + 212 + 2 + 421 + 3 + 23 = 666.

It is not a de Polignac number, because 20212122421323 - 2¹ = 20212122421321 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20212122421321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1062332673 + ... + 1062351698.

It is an arithmetic number, because the mean of its divisors is an integer number (1399458773024).

Almost surely, 2^{20212122421323} is an apocalyptic number.

20212122421323 is a deficient number, since it is larger than the sum of its proper divisors (13374888131253).

20212122421323 is a wasteful number, since it uses less digits than its factorization.

20212122421323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2124684535 (or 2124684532 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 20212122421323 its reverse (32312422121202), we get a palindrome (52524544542525).

The spelling of 20212122421323 in words is "twenty trillion, two hundred twelve billion, one hundred twenty-two million, four hundred twenty-one thousand, three hundred twenty-three".