12065209197001 has 3 divisors (see below), whose sum is σ = 12065212670503. Its totient is φ = 12065205723500.

The previous prime is 12065209196983. The next prime is 12065209197017. The reversal of 12065209197001 is 10079190256021.

The square root of 12065209197001 is 3473501.

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

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 can be written as a sum of positive squares in only one way, i.e., 10633788380601 + 1431420816400 = 3260949^2 + 1196420^2 .

It is not a de Polignac number, because 12065209197001 - 2²⁷ = 12065074979273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12065209197061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 1736751 + ... + 5210251.

Almost surely, 2^{12065209197001} is an apocalyptic number.

12065209197001 is the 3473501-st square number.

12065209197001 is the 1736751-st centered octagonal number.

It is an amenable number.

12065209197001 is a deficient number, since it is larger than the sum of its proper divisors (3473502).

12065209197001 is an frugal number, since it uses more digits than its factorization.

12065209197001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6947002 (or 3473501 counting only the distinct ones).

The product of its (nonzero) digits is 68040, while the sum is 43.

The spelling of 12065209197001 in words is "twelve trillion, sixty-five billion, two hundred nine million, one hundred ninety-seven thousand, one".