12250200181 has 2 divisors, whose sum is σ = 12250200182. Its totient is φ = 12250200180.

The previous prime is 12250200173. The next prime is 12250200199. The reversal of 12250200181 is 18100205221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9019300900 + 3230899281 = 94970^2 + 56841^2 .

It is a cyclic number.

It is not a de Polignac number, because 12250200181 - 2³ = 12250200173 is a prime.

It is a super-2 number, since 2×12250200181² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12250203181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6125100090 + 6125100091.

It is an arithmetic number, because the mean of its divisors is an integer number (6125100091).

Almost surely, 2^12250200181 is an apocalyptic number.

It is an amenable number.

12250200181 is a deficient number, since it is larger than the sum of its proper divisors (1).

12250200181 is an equidigital number, since it uses as much as digits as its factorization.

12250200181 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 320, while the sum is 22.

The spelling of 12250200181 in words is "twelve billion, two hundred fifty million, two hundred thousand, one hundred eighty-one".