13221200122198 has 4 divisors (see below), whose sum is σ = 19831800183300. Its totient is φ = 6610600061098.

The previous prime is 13221200122111. The next prime is 13221200122201. The reversal of 13221200122198 is 89122100212231.

13221200122198 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3305300030548 + ... + 3305300030551.

It is an arithmetic number, because the mean of its divisors is an integer number (4957950045825).

Almost surely, 2^{13221200122198} is an apocalyptic number.

13221200122198 is a deficient number, since it is larger than the sum of its proper divisors (6610600061102).

13221200122198 is an equidigital number, since it uses as much as digits as its factorization.

13221200122198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6610600061101.

The product of its (nonzero) digits is 6912, while the sum is 34.

The spelling of 13221200122198 in words is "thirteen trillion, two hundred twenty-one billion, two hundred million, one hundred twenty-two thousand, one hundred ninety-eight".