12022012122221 has 8 divisors (see below), whose sum is σ = 12546130654464. Its totient is φ = 11498012119440.

The previous prime is 12022012122163. The next prime is 12022012122229. The reversal of 12022012122221 is 12222121022021.

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 12022012122221 - 2¹⁴ = 12022012105837 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12022012122193 and 12022012122202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12022012122229) 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, 29425061 + ... + 29830826.

It is an arithmetic number, because the mean of its divisors is an integer number (1568266331808).

Almost surely, 2^{12022012122221} is an apocalyptic number.

It is an amenable number.

12022012122221 is a deficient number, since it is larger than the sum of its proper divisors (524118532243).

12022012122221 is an equidigital number, since it uses as much as digits as its factorization.

12022012122221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59264731.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 12022012122221 its reverse (12222121022021), we get a palindrome (24244133144242).

The spelling of 12022012122221 in words is "twelve trillion, twenty-two billion, twelve million, one hundred twenty-two thousand, two hundred twenty-one".