12203131213213 has 2 divisors, whose sum is σ = 12203131213214. Its totient is φ = 12203131213212.

The previous prime is 12203131213129. The next prime is 12203131213223. The reversal of 12203131213213 is 31231213130221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10088672055289 + 2114459157924 = 3176267^2 + 1454118^2 .

It is a cyclic number.

It is not a de Polignac number, because 12203131213213 - 2¹³ = 12203131205021 is a prime.

It is a super-2 number, since 2×12203131213213² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12203131213223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6101565606606 + 6101565606607.

It is an arithmetic number, because the mean of its divisors is an integer number (6101565606607).

Almost surely, 2^{12203131213213} is an apocalyptic number.

It is an amenable number.

12203131213213 is a deficient number, since it is larger than the sum of its proper divisors (1).

12203131213213 is an equidigital number, since it uses as much as digits as its factorization.

12203131213213 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 25.

Adding to 12203131213213 its reverse (31231213130221), we get a palindrome (43434344343434).

The spelling of 12203131213213 in words is "twelve trillion, two hundred three billion, one hundred thirty-one million, two hundred thirteen thousand, two hundred thirteen".