12022000221 has 16 divisors (see below), whose sum is σ = 19984624128. Its totient is φ = 6245194800.

The previous prime is 12022000219. The next prime is 12022000223. The reversal of 12022000221 is 12200022021.

It is an interprime number because it is at equal distance from previous prime (12022000219) and next prime (12022000223).

It is not a de Polignac number, because 12022000221 - 2¹ = 12022000219 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12022000197 and 12022000206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12022000223) 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, 26021415 + ... + 26021876.

It is an arithmetic number, because the mean of its divisors is an integer number (1249039008).

Almost surely, 2^12022000221 is an apocalyptic number.

12022000221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12022000221 is a deficient number, since it is larger than the sum of its proper divisors (7962623907).

12022000221 is a wasteful number, since it uses less digits than its factorization.

12022000221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52043312.

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 12022000221 its reverse (12200022021), we get a palindrome (24222022242).

The spelling of 12022000221 in words is "twelve billion, twenty-two million, two hundred twenty-one", and thus it is an aban number.