12203221323204 has 18 divisors (see below), whose sum is σ = 30847031678190. Its totient is φ = 4067740441056.

The previous prime is 12203221323187. The next prime is 12203221323221. The reversal of 12203221323204 is 40232312230221.

12203221323204 is a `hidden beast` number, since 1 + 2 + 2 + 0 + 322 + 13 + 2 + 320 + 4 = 666.

It is an interprime number because it is at equal distance from previous prime (12203221323187) and next prime (12203221323221).

It can be written as a sum of positive squares in only one way, i.e., 10703693722500 + 1499527600704 = 3271650^2 + 1224552^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×12203221323204² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 169489185009 + ... + 169489185080.

Almost surely, 2^{12203221323204} is an apocalyptic number.

It is an amenable number.

12203221323204 is an abundant number, since it is smaller than the sum of its proper divisors (18643810354986).

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

12203221323204 is a wasteful number, since it uses less digits than its factorization.

12203221323204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 338978370099 (or 338978370094 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 12203221323204 its reverse (40232312230221), we get a palindrome (52435533553425).

The spelling of 12203221323204 in words is "twelve trillion, two hundred three billion, two hundred twenty-one million, three hundred twenty-three thousand, two hundred four".