12134678792 has 8 divisors (see below), whose sum is σ = 22752522750. Its totient is φ = 6067339392.

The previous prime is 12134678789. The next prime is 12134678837. The reversal of 12134678792 is 29787643121.

It can be written as a sum of positive squares in only one way, i.e., 6399040036 + 5735638756 = 79994^2 + 75734^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 12134678792.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 758417417 + ... + 758417432.

Almost surely, 2^12134678792 is an apocalyptic number.

It is an amenable number.

12134678792 is a deficient number, since it is larger than the sum of its proper divisors (10617843958).

12134678792 is a wasteful number, since it uses less digits than its factorization.

12134678792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1516834855 (or 1516834851 counting only the distinct ones).

The product of its digits is 1016064, while the sum is 50.

The spelling of 12134678792 in words is "twelve billion, one hundred thirty-four million, six hundred seventy-eight thousand, seven hundred ninety-two".