12203013181 has 2 divisors, whose sum is σ = 12203013182. Its totient is φ = 12203013180.

The previous prime is 12203013167. The next prime is 12203013203. The reversal of 12203013181 is 18131030221.

It is a happy number.

It is an a-pointer prime, because the next prime (12203013203) can be obtained adding 12203013181 to its sum of digits (22).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12201190681 + 1822500 = 110459^2 + 1350^2 .

It is a cyclic number.

It is not a de Polignac number, because 12203013181 - 2⁵ = 12203013149 is a prime.

It is a super-3 number, since 3×12203013181³ (a number of 31 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12203013161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6101506590 + 6101506591.

It is an arithmetic number, because the mean of its divisors is an integer number (6101506591).

Almost surely, 2^12203013181 is an apocalyptic number.

It is an amenable number.

12203013181 is a deficient number, since it is larger than the sum of its proper divisors (1).

12203013181 is an equidigital number, since it uses as much as digits as its factorization.

12203013181 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 22.

The spelling of 12203013181 in words is "twelve billion, two hundred three million, thirteen thousand, one hundred eighty-one".