12161342343346 has 32 divisors (see below), whose sum is σ = 21043337794560. Its totient is φ = 5163175502736.

The previous prime is 12161342343307. The next prime is 12161342343389. The reversal of 12161342343346 is 64334324316121.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 105675825 + ... + 105790843.

It is an arithmetic number, because the mean of its divisors is an integer number (657604306080).

Almost surely, 2^{12161342343346} is an apocalyptic number.

12161342343346 is a deficient number, since it is larger than the sum of its proper divisors (8881995451214).

12161342343346 is a wasteful number, since it uses less digits than its factorization.

12161342343346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185718.

The product of its digits is 746496, while the sum is 43.

Adding to 12161342343346 its reverse (64334324316121), we get a palindrome (76495666659467).

The spelling of 12161342343346 in words is "twelve trillion, one hundred sixty-one billion, three hundred forty-two million, three hundred forty-three thousand, three hundred forty-six".