12023222111021 has 16 divisors (see below), whose sum is σ = 13485730680576. Its totient is φ = 10624262400000.

The previous prime is 12023222110993. The next prime is 12023222111057. The reversal of 12023222111021 is 12011122232021.

It is a cyclic number.

It is not a de Polignac number, because 12023222111021 - 2³⁰ = 12022148369197 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 12023222110984 and 12023222111002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12023222111221) 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, 49064180 + ... + 49308621.

It is an arithmetic number, because the mean of its divisors is an integer number (842858167536).

Almost surely, 2^{12023222111021} is an apocalyptic number.

12023222111021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12023222111021 is a deficient number, since it is larger than the sum of its proper divisors (1462508569555).

12023222111021 is a wasteful number, since it uses less digits than its factorization.

12023222111021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98373124.

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 12023222111021 its reverse (12011122232021), we get a palindrome (24034344343042).

It can be divided in two parts, 1202 and 3222111021, that added together give a palindrome (3222112223).

The spelling of 12023222111021 in words is "twelve trillion, twenty-three billion, two hundred twenty-two million, one hundred eleven thousand, twenty-one".