12022010002221 has 4 divisors (see below), whose sum is σ = 16029346669632. Its totient is φ = 8014673334812.

The previous prime is 12022010002217. The next prime is 12022010002231. The reversal of 12022010002221 is 12220001022021.

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 not a de Polignac number, because 12022010002221 - 2² = 12022010002217 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12022010002221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12022010002231) 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, 2003668333701 + ... + 2003668333706.

It is an arithmetic number, because the mean of its divisors is an integer number (4007336667408).

Almost surely, 2^{12022010002221} is an apocalyptic number.

It is an amenable number.

12022010002221 is a deficient number, since it is larger than the sum of its proper divisors (4007336667411).

12022010002221 is an equidigital number, since it uses as much as digits as its factorization.

12022010002221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4007336667410.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 12022010002221 its reverse (12220001022021), we get a palindrome (24242011024242).

The spelling of 12022010002221 in words is "twelve trillion, twenty-two billion, ten million, two thousand, two hundred twenty-one".