12042123985 has 8 divisors (see below), whose sum is σ = 14786608320. Its totient is φ = 9409659504.

The previous prime is 12042123967. The next prime is 12042124033. The reversal of 12042123985 is 58932124021.

12042123985 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12042123985 - 2⁷ = 12042123857 is a prime.

It is a super-2 number, since 2×12042123985² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28004725 + ... + 28005154.

It is an arithmetic number, because the mean of its divisors is an integer number (1848326040).

Almost surely, 2^12042123985 is an apocalyptic number.

It is an amenable number.

12042123985 is a deficient number, since it is larger than the sum of its proper divisors (2744484335).

12042123985 is an equidigital number, since it uses as much as digits as its factorization.

12042123985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56009927.

The product of its (nonzero) digits is 34560, while the sum is 37.

The spelling of 12042123985 in words is "twelve billion, forty-two million, one hundred twenty-three thousand, nine hundred eighty-five".