12097417181 has 2 divisors, whose sum is σ = 12097417182. Its totient is φ = 12097417180.

The previous prime is 12097417151. The next prime is 12097417207. The reversal of 12097417181 is 18171479021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11053157956 + 1044259225 = 105134^2 + 32315^2 .

It is a cyclic number.

It is not a de Polignac number, because 12097417181 - 2¹⁴ = 12097400797 is a prime.

It is a super-2 number, since 2×12097417181² (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 (12097417151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6048708590 + 6048708591.

It is an arithmetic number, because the mean of its divisors is an integer number (6048708591).

Almost surely, 2^12097417181 is an apocalyptic number.

It is an amenable number.

12097417181 is a deficient number, since it is larger than the sum of its proper divisors (1).

12097417181 is an equidigital number, since it uses as much as digits as its factorization.

12097417181 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 28224, while the sum is 41.

The spelling of 12097417181 in words is "twelve billion, ninety-seven million, four hundred seventeen thousand, one hundred eighty-one".