12203222331213 has 6 divisors (see below), whose sum is σ = 17626876700654. Its totient is φ = 8135481554136.

The previous prime is 12203222331211. The next prime is 12203222331239. The reversal of 12203222331213 is 31213322230221.

12203222331213 is a `hidden beast` number, since 1 + 2 + 2 + 0 + 322 + 2 + 331 + 2 + 1 + 3 = 666.

It can be written as a sum of positive squares in only one way, i.e., 10872563185449 + 1330659145764 = 3297357^2 + 1153542^2 .

It is not a de Polignac number, because 12203222331213 - 2¹ = 12203222331211 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12203222331211) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 677956796170 + ... + 677956796187.

Almost surely, 2^{12203222331213} is an apocalyptic number.

It is an amenable number.

12203222331213 is a deficient number, since it is larger than the sum of its proper divisors (5423654369441).

12203222331213 is a wasteful number, since it uses less digits than its factorization.

12203222331213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1355913592363 (or 1355913592360 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

Adding to 12203222331213 its reverse (31213322230221), we get a palindrome (43416544561434).

The spelling of 12203222331213 in words is "twelve trillion, two hundred three billion, two hundred twenty-two million, three hundred thirty-one thousand, two hundred thirteen".