12242101121222 has 64 divisors (see below), whose sum is σ = 22296763883520. Its totient is φ = 4921155993600.

The previous prime is 12242101121221. The next prime is 12242101121297. The reversal of 12242101121222 is 22212110124221.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12242101121221) 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 31 ways as a sum of consecutive naturals, for example, 211805147 + ... + 211862937.

It is an arithmetic number, because the mean of its divisors is an integer number (348386935680).

Almost surely, 2^{12242101121222} is an apocalyptic number.

12242101121222 is a deficient number, since it is larger than the sum of its proper divisors (10054662762298).

12242101121222 is a wasteful number, since it uses less digits than its factorization.

12242101121222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60837.

The product of its (nonzero) digits is 512, while the sum is 23.

Adding to 12242101121222 its reverse (22212110124221), we get a palindrome (34454211245443).

It can be divided in two parts, 1224210 and 1121222, that added together give a palindrome (2345432).

The spelling of 12242101121222 in words is "twelve trillion, two hundred forty-two billion, one hundred one million, one hundred twenty-one thousand, two hundred twenty-two".