13122223101212 has 24 divisors (see below), whose sum is σ = 23453943496704. Its totient is φ = 6421113764912.

The previous prime is 13122223101191. The next prime is 13122223101263. The reversal of 13122223101212 is 21210132222131.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 867833 + ... + 5195919.

It is an arithmetic number, because the mean of its divisors is an integer number (977247645696).

Almost surely, 2^{13122223101212} is an apocalyptic number.

It is an amenable number.

13122223101212 is a deficient number, since it is larger than the sum of its proper divisors (10331720395492).

13122223101212 is a wasteful number, since it uses less digits than its factorization.

13122223101212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4344265 (or 4344263 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 13122223101212 its reverse (21210132222131), we get a palindrome (34332355323343).

The spelling of 13122223101212 in words is "thirteen trillion, one hundred twenty-two billion, two hundred twenty-three million, one hundred one thousand, two hundred twelve".