12156265063 has 4 divisors (see below), whose sum is σ = 12183339600. Its totient is φ = 12129190528.

The previous prime is 12156265061. The next prime is 12156265139. The reversal of 12156265063 is 36056265121.

12156265063 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.

It is a cyclic number.

It is not a de Polignac number, because 12156265063 - 2¹ = 12156265061 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12156265061) 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, 13536595 + ... + 13537492.

It is an arithmetic number, because the mean of its divisors is an integer number (3045834900).

Almost surely, 2^12156265063 is an apocalyptic number.

12156265063 is a deficient number, since it is larger than the sum of its proper divisors (27074537).

12156265063 is an equidigital number, since it uses as much as digits as its factorization.

12156265063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27074536.

The product of its (nonzero) digits is 64800, while the sum is 37.

The spelling of 12156265063 in words is "twelve billion, one hundred fifty-six million, two hundred sixty-five thousand, sixty-three".