12022012310221 has 4 divisors (see below), whose sum is σ = 12022846549344. Its totient is φ = 12021178071100.

The previous prime is 12022012310207. The next prime is 12022012310279. The reversal of 12022012310221 is 12201321022021.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12022012310221 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12022012310921) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 417097945 + ... + 417126766.

It is an arithmetic number, because the mean of its divisors is an integer number (3005711637336).

Almost surely, 2^{12022012310221} is an apocalyptic number.

It is an amenable number.

12022012310221 is a deficient number, since it is larger than the sum of its proper divisors (834239123).

12022012310221 is an equidigital number, since it uses as much as digits as its factorization.

12022012310221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 834239122.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 12022012310221 its reverse (12201321022021), we get a palindrome (24223333332242).

The spelling of 12022012310221 in words is "twelve trillion, twenty-two billion, twelve million, three hundred ten thousand, two hundred twenty-one".