12281688466576 has 15 divisors (see below), whose sum is σ = 23795798564083. Its totient is φ = 6140837224240.

The previous prime is 12281688466549. The next prime is 12281688466583. The reversal of 12281688466576 is 67566488618221.

The square root of 12281688466576 is 3504524.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 13580031 + ... + 14456161.

Almost surely, 2^{12281688466576} is an apocalyptic number.

12281688466576 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

12281688466576 is the 3504524-th square number.

It is an amenable number.

12281688466576 is a deficient number, since it is larger than the sum of its proper divisors (11514110097507).

12281688466576 is an frugal number, since it uses more digits than its factorization.

12281688466576 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1752270 (or 876133 counting only the distinct ones).

The product of its digits is 371589120, while the sum is 70.

The spelling of 12281688466576 in words is "twelve trillion, two hundred eighty-one billion, six hundred eighty-eight million, four hundred sixty-six thousand, five hundred seventy-six".