13442123331222 has 16 divisors (see below), whose sum is σ = 26944122495600. Its totient is φ = 4470728471552.

The previous prime is 13442123331199. The next prime is 13442123331239. The reversal of 13442123331222 is 22213332124431.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2494823463 + ... + 2494828850.

It is an arithmetic number, because the mean of its divisors is an integer number (1684007655975).

Almost surely, 2^{13442123331222} is an apocalyptic number.

13442123331222 is an abundant number, since it is smaller than the sum of its proper divisors (13501999164378).

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

13442123331222 is a wasteful number, since it uses less digits than its factorization.

13442123331222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4989652767.

The product of its digits is 41472, while the sum is 33.

Adding to 13442123331222 its reverse (22213332124431), we get a palindrome (35655455455653).

The spelling of 13442123331222 in words is "thirteen trillion, four hundred forty-two billion, one hundred twenty-three million, three hundred thirty-one thousand, two hundred twenty-two".