20123201221322 has 8 divisors (see below), whose sum is σ = 30327857765472. Its totient is φ = 10013915299500.

The previous prime is 20123201221303. The next prime is 20123201221337. The reversal of 20123201221322 is 22312210232102.

It is a happy number.

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

It is an unprimeable number.

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, 23842655054 + ... + 23842655897.

It is an arithmetic number, because the mean of its divisors is an integer number (3790982220684).

Almost surely, 2^{20123201221322} is an apocalyptic number.

20123201221322 is a deficient number, since it is larger than the sum of its proper divisors (10204656544150).

20123201221322 is a wasteful number, since it uses less digits than its factorization.

20123201221322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47685311164.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 20123201221322 its reverse (22312210232102), we get a palindrome (42435411453424).

The spelling of 20123201221322 in words is "twenty trillion, one hundred twenty-three billion, two hundred one million, two hundred twenty-one thousand, three hundred twenty-two".