12161354134 has 8 divisors (see below), whose sum is σ = 18264198960. Its totient is φ = 6073287816.

The previous prime is 12161354123. The next prime is 12161354143. The reversal of 12161354134 is 43145316121.

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

It is a junction number, because it is equal to n+sod(n) for n = 12161354096 and 12161354105.

It is a congruent number.

It is an unprimeable number.

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, 3692569 + ... + 3695860.

It is an arithmetic number, because the mean of its divisors is an integer number (2283024870).

Almost surely, 2^12161354134 is an apocalyptic number.

12161354134 is a deficient number, since it is larger than the sum of its proper divisors (6102844826).

12161354134 is an equidigital number, since it uses as much as digits as its factorization.

12161354134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7389254.

The product of its digits is 8640, while the sum is 31.

The spelling of 12161354134 in words is "twelve billion, one hundred sixty-one million, three hundred fifty-four thousand, one hundred thirty-four".