12022002221 has 8 divisors (see below), whose sum is σ = 12949036320. Its totient is φ = 11124397872.

The previous prime is 12022002211. The next prime is 12022002233. The reversal of 12022002221 is 12220022021.

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 12022002221 - 2¹⁴ = 12021985837 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 12022002196 and 12022002205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12022002211) 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, 7356590 + ... + 7358223.

It is an arithmetic number, because the mean of its divisors is an integer number (1618629540).

Almost surely, 2^12022002221 is an apocalyptic number.

It is an amenable number.

12022002221 is a deficient number, since it is larger than the sum of its proper divisors (927034099).

12022002221 is a wasteful number, since it uses less digits than its factorization.

12022002221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14714875.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 12022002221 its reverse (12220022021), we get a palindrome (24242024242).

The spelling of 12022002221 in words is "twelve billion, twenty-two million, two thousand, two hundred twenty-one".