12212221101201 has 12 divisors (see below), whose sum is σ = 19243499917200. Its totient is φ = 7401346121880.

The previous prime is 12212221101167. The next prime is 12212221101217. The reversal of 12212221101201 is 10210112221221.

It is not a de Polignac number, because 12212221101201 - 2⁹ = 12212221100689 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12212221101221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 61677884251 + ... + 61677884448.

It is an arithmetic number, because the mean of its divisors is an integer number (1603624993100).

Almost surely, 2^{12212221101201} is an apocalyptic number.

12212221101201 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12212221101201 is a deficient number, since it is larger than the sum of its proper divisors (7031278815999).

12212221101201 is a wasteful number, since it uses less digits than its factorization.

12212221101201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123355768716 (or 123355768713 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 12212221101201 its reverse (10210112221221), we get a palindrome (22422333322422).

The spelling of 12212221101201 in words is "twelve trillion, two hundred twelve billion, two hundred twenty-one million, one hundred one thousand, two hundred one".