13022223121000 has 32 divisors (see below), whose sum is σ = 30472002105480. Its totient is φ = 5208889248000.

The previous prime is 13022223120989. The next prime is 13022223121001. The reversal of 13022223121000 is 12132222031.

It can be written as a sum of positive squares in 4 ways, for example, as 7688608391556 + 5333614729444 = 2772834^2 + 2309462^2 .

It is not an unprimeable number, because it can be changed into a prime (13022223121001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6511110561 + ... + 6511112560.

Almost surely, 2^{13022223121000} is an apocalyptic number.

13022223121000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13022223121000 is an abundant number, since it is smaller than the sum of its proper divisors (17449778984480).

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

13022223121000 is a wasteful number, since it uses less digits than its factorization.

13022223121000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13022223142 (or 13022223128 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 13022223121000 its reverse (12132222031), we get a palindrome (13034355343031).

The spelling of 13022223121000 in words is "thirteen trillion, twenty-two billion, two hundred twenty-three million, one hundred twenty-one thousand".