12209069513 has 4 divisors (see below), whose sum is σ = 12630071940. Its totient is φ = 11788067088.

The previous prime is 12209069501. The next prime is 12209069569. The reversal of 12209069513 is 31596090221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 31596090221 = 457 ⋅69138053.

It can be written as a sum of positive squares in 2 ways, for example, as 6268205584 + 5940863929 = 79172^2 + 77077^2 .

It is not a de Polignac number, because 12209069513 - 2²⁴ = 12192292297 is a prime.

It is a super-2 number, since 2×12209069513² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12209029513) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 210501170 + ... + 210501227.

It is an arithmetic number, because the mean of its divisors is an integer number (3157517985).

Almost surely, 2^12209069513 is an apocalyptic number.

It is an amenable number.

12209069513 is a deficient number, since it is larger than the sum of its proper divisors (421002427).

12209069513 is an equidigital number, since it uses as much as digits as its factorization.

12209069513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 421002426.

The product of its (nonzero) digits is 29160, while the sum is 38.

The spelling of 12209069513 in words is "twelve billion, two hundred nine million, sixty-nine thousand, five hundred thirteen".