12356034161 has 4 divisors (see below), whose sum is σ = 12356370672. Its totient is φ = 12355697652.

The previous prime is 12356034139. The next prime is 12356034203. The reversal of 12356034161 is 16143065321.

12356034161 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, and also an emirpimes, since its reverse is a distinct semiprime: 16143065321 = 79 ⋅204342599.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12356034161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12356034461) 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, 105335 + ... + 189228.

It is an arithmetic number, because the mean of its divisors is an integer number (3089092668).

Almost surely, 2^12356034161 is an apocalyptic number.

It is an amenable number.

12356034161 is a deficient number, since it is larger than the sum of its proper divisors (336511).

12356034161 is an equidigital number, since it uses as much as digits as its factorization.

12356034161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 336510.

The product of its (nonzero) digits is 12960, while the sum is 32.

Adding to 12356034161 its reverse (16143065321), we get a palindrome (28499099482).

The spelling of 12356034161 in words is "twelve billion, three hundred fifty-six million, thirty-four thousand, one hundred sixty-one".