12022702252221 has 4 divisors (see below), whose sum is σ = 16030269669632. Its totient is φ = 8015134834812.

The previous prime is 12022702252139. The next prime is 12022702252279. The reversal of 12022702252221 is 12225220722021.

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 not a de Polignac number, because 12022702252221 - 2²¹ = 12022700155069 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 (12022702252321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2003783708701 + ... + 2003783708706.

It is an arithmetic number, because the mean of its divisors is an integer number (4007567417408).

Almost surely, 2^{12022702252221} is an apocalyptic number.

It is an amenable number.

12022702252221 is a deficient number, since it is larger than the sum of its proper divisors (4007567417411).

12022702252221 is an equidigital number, since it uses as much as digits as its factorization.

12022702252221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4007567417410.

The product of its (nonzero) digits is 8960, while the sum is 30.

Adding to 12022702252221 its reverse (12225220722021), we get a palindrome (24247922974242).

The spelling of 12022702252221 in words is "twelve trillion, twenty-two billion, seven hundred two million, two hundred fifty-two thousand, two hundred twenty-one".