20122030231321 has 4 divisors (see below), whose sum is σ = 20147598250192. Its totient is φ = 20096462212452.

The previous prime is 20122030231301. The next prime is 20122030231343. The reversal of 20122030231321 is 12313203022102.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 20122030231321 - 2²⁵ = 20121996676889 is a prime.

It is a super-2 number, since 2×20122030231321² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20122030231292 and 20122030231301.

It is not an unprimeable number, because it can be changed into a prime (20122030231301) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12784008255 + ... + 12784009828.

It is an arithmetic number, because the mean of its divisors is an integer number (5036899562548).

Almost surely, 2^{20122030231321} is an apocalyptic number.

It is an amenable number.

20122030231321 is a deficient number, since it is larger than the sum of its proper divisors (25568018871).

20122030231321 is an equidigital number, since it uses as much as digits as its factorization.

20122030231321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25568018870.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 20122030231321 its reverse (12313203022102), we get a palindrome (32435233253423).

The spelling of 20122030231321 in words is "twenty trillion, one hundred twenty-two billion, thirty million, two hundred thirty-one thousand, three hundred twenty-one".