12127085536 has 24 divisors (see below), whose sum is σ = 24098339160. Its totient is φ = 6006872448.

The previous prime is 12127085489. The next prime is 12127085567. The reversal of 12127085536 is 63558072121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1767471 + ... + 1774318.

It is an arithmetic number, because the mean of its divisors is an integer number (1004097465).

Almost surely, 2^12127085536 is an apocalyptic number.

12127085536 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

12127085536 is a deficient number, since it is larger than the sum of its proper divisors (11971253624).

12127085536 is a wasteful number, since it uses less digits than its factorization.

12127085536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3541906 (or 3541898 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 40.

The spelling of 12127085536 in words is "twelve billion, one hundred twenty-seven million, eighty-five thousand, five hundred thirty-six".