126728484712 has 16 divisors (see below), whose sum is σ = 250122009600. Its totient is φ = 60029282160.

The previous prime is 126728484683. The next prime is 126728484761. The reversal of 126728484712 is 217484827621.

It is a self number, because there is not a number n which added to its sum of digits gives 126728484712.

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, 416869864 + ... + 416870167.

It is an arithmetic number, because the mean of its divisors is an integer number (15632625600).

Almost surely, 2^126728484712 is an apocalyptic number.

It is an amenable number.

126728484712 is a deficient number, since it is larger than the sum of its proper divisors (123393524888).

126728484712 is a wasteful number, since it uses less digits than its factorization.

126728484712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 833740056 (or 833740052 counting only the distinct ones).

The product of its digits is 2408448, while the sum is 52.

The spelling of 126728484712 in words is "one hundred twenty-six billion, seven hundred twenty-eight million, four hundred eighty-four thousand, seven hundred twelve".