12565132069 has 8 divisors (see below), whose sum is σ = 14491896320. Its totient is φ = 10671304176.

The previous prime is 12565132049. The next prime is 12565132103. The reversal of 12565132069 is 96023156521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12565132069 - 2²¹ = 12563034917 is a prime.

It is a super-2 number, since 2×12565132069² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12565132049) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8233269 + ... + 8234794.

It is an arithmetic number, because the mean of its divisors is an integer number (1811487040).

Almost surely, 2^12565132069 is an apocalyptic number.

It is an amenable number.

12565132069 is a deficient number, since it is larger than the sum of its proper divisors (1926764251).

12565132069 is a wasteful number, since it uses less digits than its factorization.

12565132069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16468179.

The product of its (nonzero) digits is 97200, while the sum is 40.

The spelling of 12565132069 in words is "twelve billion, five hundred sixty-five million, one hundred thirty-two thousand, sixty-nine".