12034985649 has 16 divisors (see below), whose sum is σ = 16246110720. Its totient is φ = 7923939840.

The previous prime is 12034985647. The next prime is 12034985747. The reversal of 12034985649 is 94658943021.

It is not a de Polignac number, because 12034985649 - 2¹ = 12034985647 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12034985647) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 96219 + ... + 182559.

It is an arithmetic number, because the mean of its divisors is an integer number (1015381920).

Almost surely, 2^12034985649 is an apocalyptic number.

It is an amenable number.

12034985649 is a deficient number, since it is larger than the sum of its proper divisors (4211125071).

12034985649 is an equidigital number, since it uses as much as digits as its factorization.

12034985649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86920.

The product of its (nonzero) digits is 1866240, while the sum is 51.

The spelling of 12034985649 in words is "twelve billion, thirty-four million, nine hundred eighty-five thousand, six hundred forty-nine".