28124307706712 has 32 divisors (see below), whose sum is σ = 60266548711200. Its totient is φ = 12053239720704.

The previous prime is 28124307706711. The next prime is 28124307706763. The reversal of 28124307706712 is 21760770342182.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28124307706711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30729188 + ... + 31631180.

It is an arithmetic number, because the mean of its divisors is an integer number (1883329647225).

Almost surely, 2^{28124307706712} is an apocalyptic number.

It is an amenable number.

28124307706712 is an abundant number, since it is smaller than the sum of its proper divisors (32142241004488).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28124307706712 is a wasteful number, since it uses less digits than its factorization.

28124307706712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1458795 (or 1458791 counting only the distinct ones).

The product of its (nonzero) digits is 1580544, while the sum is 50.

The spelling of 28124307706712 in words is "twenty-eight trillion, one hundred twenty-four billion, three hundred seven million, seven hundred six thousand, seven hundred twelve".