12161342343403 has 8 divisors (see below), whose sum is σ = 13267374442560. Its totient is φ = 11055386164680.

The previous prime is 12161342343389. The next prime is 12161342343421. The reversal of 12161342343403 is 30434324316121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12161342343403 - 2²⁵ = 12161308788971 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12161342343443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18644913 + ... + 19286146.

It is an arithmetic number, because the mean of its divisors is an integer number (1658421805320).

Almost surely, 2^{12161342343403} is an apocalyptic number.

12161342343403 is a deficient number, since it is larger than the sum of its proper divisors (1106032099157).

12161342343403 is a wasteful number, since it uses less digits than its factorization.

12161342343403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37960217.

The product of its (nonzero) digits is 124416, while the sum is 37.

Adding to 12161342343403 its reverse (30434324316121), we get a palindrome (42595666659524).

The spelling of 12161342343403 in words is "twelve trillion, one hundred sixty-one billion, three hundred forty-two million, three hundred forty-three thousand, four hundred three".