12403034161 has 4 divisors (see below), whose sum is σ = 14174896192. Its totient is φ = 10631172132.

The previous prime is 12403034153. The next prime is 12403034167. The reversal of 12403034161 is 16143030421.

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 not a de Polignac number, because 12403034161 - 2³ = 12403034153 is a prime.

It is a super-4 number, since 4×12403034161⁴ (a number of 41 digits) contains 4444 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12403034167) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 885931005 + ... + 885931018.

It is an arithmetic number, because the mean of its divisors is an integer number (3543724048).

Almost surely, 2^12403034161 is an apocalyptic number.

It is an amenable number.

12403034161 is a deficient number, since it is larger than the sum of its proper divisors (1771862031).

12403034161 is an equidigital number, since it uses as much as digits as its factorization.

12403034161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1771862030.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 12403034161 its reverse (16143030421), we get a palindrome (28546064582).

The spelling of 12403034161 in words is "twelve billion, four hundred three million, thirty-four thousand, one hundred sixty-one".