12222233401242 has 64 divisors (see below), whose sum is σ = 25136335042560. Its totient is φ = 3959042577984.

The previous prime is 12222233401223. The next prime is 12222233401253. The reversal of 12222233401242 is 24210433222221.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1123051933 + ... + 1123062815.

It is an arithmetic number, because the mean of its divisors is an integer number (392755235040).

Almost surely, 2^{12222233401242} is an apocalyptic number.

12222233401242 is an abundant number, since it is smaller than the sum of its proper divisors (12914101641318).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12222233401242 is a wasteful number, since it uses less digits than its factorization.

12222233401242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16747.

The product of its (nonzero) digits is 18432, while the sum is 30.

Adding to 12222233401242 its reverse (24210433222221), we get a palindrome (36432666623463).

The spelling of 12222233401242 in words is "twelve trillion, two hundred twenty-two billion, two hundred thirty-three million, four hundred one thousand, two hundred forty-two".