12065235653 has 4 divisors (see below), whose sum is σ = 12101686848. Its totient is φ = 12028784460.

The previous prime is 12065235601. The next prime is 12065235659. The reversal of 12065235653 is 35653256021.

12065235653 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12065235653 - 2¹² = 12065231557 is a prime.

It is a super-3 number, since 3×12065235653³ (a number of 31 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12065235659) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18225101 + ... + 18225762.

It is an arithmetic number, because the mean of its divisors is an integer number (3025421712).

Almost surely, 2^12065235653 is an apocalyptic number.

It is an amenable number.

12065235653 is a deficient number, since it is larger than the sum of its proper divisors (36451195).

12065235653 is an equidigital number, since it uses as much as digits as its factorization.

12065235653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36451194.

The product of its (nonzero) digits is 162000, while the sum is 38.

The spelling of 12065235653 in words is "twelve billion, sixty-five million, two hundred thirty-five thousand, six hundred fifty-three".