12722198234181 has 8 divisors (see below), whose sum is σ = 16964210384160. Its totient is φ = 8480825786832.

The previous prime is 12722198234173. The next prime is 12722198234261. The reversal of 12722198234181 is 18143289122721.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12722198234181 - 2³ = 12722198234173 is a prime.

It is a super-2 number, since 2×12722198234181² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12722198234281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 159879250 + ... + 159958803.

It is an arithmetic number, because the mean of its divisors is an integer number (2120526298020).

Almost surely, 2^{12722198234181} is an apocalyptic number.

It is an amenable number.

12722198234181 is a deficient number, since it is larger than the sum of its proper divisors (4242012149979).

12722198234181 is a wasteful number, since it uses less digits than its factorization.

12722198234181 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 319851315.

The product of its digits is 774144, while the sum is 51.

The spelling of 12722198234181 in words is "twelve trillion, seven hundred twenty-two billion, one hundred ninety-eight million, two hundred thirty-four thousand, one hundred eighty-one".