12161003363 has 4 divisors (see below), whose sum is σ = 12876356520. Its totient is φ = 11445650208.

The previous prime is 12161003287. The next prime is 12161003377. The reversal of 12161003363 is 36330016121.

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 12161003363 - 2²⁰ = 12159954787 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12161003263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 357676553 + ... + 357676586.

It is an arithmetic number, because the mean of its divisors is an integer number (3219089130).

Almost surely, 2^12161003363 is an apocalyptic number.

12161003363 is a deficient number, since it is larger than the sum of its proper divisors (715353157).

12161003363 is an equidigital number, since it uses as much as digits as its factorization.

12161003363 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 715353156.

The product of its (nonzero) digits is 1944, while the sum is 26.

Adding to 12161003363 its reverse (36330016121), we get a palindrome (48491019484).

The spelling of 12161003363 in words is "twelve billion, one hundred sixty-one million, three thousand, three hundred sixty-three".