12230020323121 has 16 divisors (see below), whose sum is σ = 12517470846976. Its totient is φ = 11945764320336.

The previous prime is 12230020323049. The next prime is 12230020323139. The reversal of 12230020323121 is 12132302003221.

It is a cyclic number.

It is not a de Polignac number, because 12230020323121 - 2¹³ = 12230020314929 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12230020323092 and 12230020323101.

It is not an unprimeable number, because it can be changed into a prime (12230020423121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14453860 + ... + 15276586.

It is an arithmetic number, because the mean of its divisors is an integer number (782341927936).

Almost surely, 2^{12230020323121} is an apocalyptic number.

It is an amenable number.

12230020323121 is a deficient number, since it is larger than the sum of its proper divisors (287450523855).

12230020323121 is a wasteful number, since it uses less digits than its factorization.

12230020323121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 824668.

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

Adding to 12230020323121 its reverse (12132302003221), we get a palindrome (24362322326342).

The spelling of 12230020323121 in words is "twelve trillion, two hundred thirty billion, twenty million, three hundred twenty-three thousand, one hundred twenty-one".