12022222222021 has 8 divisors (see below), whose sum is σ = 13119774443424. Its totient is φ = 10925440488720.

The previous prime is 12022222221917. The next prime is 12022222222051.

12022222222021 is nontrivially palindromic in base 10.

12022222222021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 12022222222021 - 2³³ = 12013632287429 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12022222221983 and 12022222222001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12022222222051) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 192589395 + ... + 192651808.

It is an arithmetic number, because the mean of its divisors is an integer number (1639971805428).

Almost surely, 2^{12022222222021} is an apocalyptic number.

12022222222021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12022222222021 is a deficient number, since it is larger than the sum of its proper divisors (1097552221403).

12022222222021 is a wasteful number, since it uses less digits than its factorization.

12022222222021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 385244051.

The product of its (nonzero) digits is 1024, while the sum is 22.

Multiplying 12022222222021 by its sum of digits (22), we get a palindrome (264488888884462).

It can be divided in two parts, 1202222 and 2222021, that added together give a palindrome (3424243).

The spelling of 12022222222021 in words is "twelve trillion, twenty-two billion, two hundred twenty-two million, two hundred twenty-two thousand, twenty-one".