20221320312123 has 8 divisors (see below), whose sum is σ = 30813440475648. Its totient is φ = 11555040178344.

The previous prime is 20221320312103. The next prime is 20221320312131. The reversal of 20221320312123 is 32121302312202.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20221320312123 - 2¹⁶ = 20221320246587 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20221320312093 and 20221320312102.

It is not an unprimeable number, because it can be changed into a prime (20221320312103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 481460007411 + ... + 481460007452.

It is an arithmetic number, because the mean of its divisors is an integer number (3851680059456).

Almost surely, 2^{20221320312123} is an apocalyptic number.

20221320312123 is a deficient number, since it is larger than the sum of its proper divisors (10592120163525).

20221320312123 is an equidigital number, since it uses as much as digits as its factorization.

20221320312123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 962920014873.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 20221320312123 its reverse (32121302312202), we get a palindrome (52342622624325).

The spelling of 20221320312123 in words is "twenty trillion, two hundred twenty-one billion, three hundred twenty million, three hundred twelve thousand, one hundred twenty-three".