12162665265 has 16 divisors (see below), whose sum is σ = 19638801600. Its totient is φ = 6427242432.

The previous prime is 12162665243. The next prime is 12162665297. The reversal of 12162665265 is 56256626121.

It is a happy number.

It is not a de Polignac number, because 12162665265 - 2⁵ = 12162665233 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3717835 + ... + 3721104.

It is an arithmetic number, because the mean of its divisors is an integer number (1227425100).

Almost surely, 2^12162665265 is an apocalyptic number.

12162665265 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12162665265 is a deficient number, since it is larger than the sum of its proper divisors (7476136335).

12162665265 is a wasteful number, since it uses less digits than its factorization.

12162665265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7439056.

The product of its digits is 259200, while the sum is 42.

The spelling of 12162665265 in words is "twelve billion, one hundred sixty-two million, six hundred sixty-five thousand, two hundred sixty-five".