12097140169 has 3 divisors (see below), whose sum is σ = 12097250157. Its totient is φ = 12097030182.

The previous prime is 12097140113. The next prime is 12097140179. The reversal of 12097140169 is 96104179021.

The square root of 12097140169 is 109987.

It is a perfect power (a square), and thus also a powerful number.

12097140169 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 12097140169 - 2⁹ = 12097139657 is a prime.

It is a super-2 number, since 2×12097140169² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12097140179) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 54994 + ... + 164980.

It is an arithmetic number, because the mean of its divisors is an integer number (4032416719).

Almost surely, 2^12097140169 is an apocalyptic number.

12097140169 is the 109987-th square number.

12097140169 is the 54994-th centered octagonal number.

It is an amenable number.

12097140169 is a deficient number, since it is larger than the sum of its proper divisors (109988).

12097140169 is an frugal number, since it uses more digits than its factorization.

12097140169 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219974 (or 109987 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 40.

The spelling of 12097140169 in words is "twelve billion, ninety-seven million, one hundred forty thousand, one hundred sixty-nine".