12135760265 has 8 divisors (see below), whose sum is σ = 14564321160. Its totient is φ = 9707668992.

The previous prime is 12135760253. The next prime is 12135760283. The reversal of 12135760265 is 56206753121.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1626024976 + 10509735289 = 40324^2 + 102517^2 .

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 12135760265 - 2¹⁶ = 12135694729 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57800 + ... + 166169.

It is an arithmetic number, because the mean of its divisors is an integer number (1820540145).

Almost surely, 2^12135760265 is an apocalyptic number.

It is an amenable number.

12135760265 is a deficient number, since it is larger than the sum of its proper divisors (2428560895).

12135760265 is a wasteful number, since it uses less digits than its factorization.

12135760265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234811.

The product of its (nonzero) digits is 75600, while the sum is 38.

The spelling of 12135760265 in words is "twelve billion, one hundred thirty-five million, seven hundred sixty thousand, two hundred sixty-five".