20122123230321 has 24 divisors (see below), whose sum is σ = 31210656917184. Its totient is φ = 11498049188640.

The previous prime is 20122123230241. The next prime is 20122123230337. The reversal of 20122123230321 is 12303232122102.

It is not a de Polignac number, because 20122123230321 - 2⁹ = 20122123229809 is a prime.

It is a super-3 number, since 3×20122123230321³ (a number of 41 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20122123230291 and 20122123230300.

It is not an unprimeable number, because it can be changed into a prime (20122123230421) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3756276 + ... + 7372506.

It is an arithmetic number, because the mean of its divisors is an integer number (1300444038216).

Almost surely, 2^{20122123230321} is an apocalyptic number.

20122123230321 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

20122123230321 is a deficient number, since it is larger than the sum of its proper divisors (11088533686863).

20122123230321 is a wasteful number, since it uses less digits than its factorization.

20122123230321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3654101 (or 3654094 counting only the distinct ones).

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

Adding to 20122123230321 its reverse (12303232122102), we get a palindrome (32425355352423).

The spelling of 20122123230321 in words is "twenty trillion, one hundred twenty-two billion, one hundred twenty-three million, two hundred thirty thousand, three hundred twenty-one".