12449678084 has 12 divisors (see below), whose sum is σ = 21837489408. Its totient is φ = 6210395400.

The previous prime is 12449678081. The next prime is 12449678093. The reversal of 12449678084 is 48087694421.

It is a super-2 number, since 2×12449678084² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12449678081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3608972 + ... + 3612419.

It is an arithmetic number, because the mean of its divisors is an integer number (1819790784).

Almost surely, 2^12449678084 is an apocalyptic number.

It is an amenable number.

12449678084 is a deficient number, since it is larger than the sum of its proper divisors (9387811324).

12449678084 is a wasteful number, since it uses less digits than its factorization.

12449678084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7221826 (or 7221824 counting only the distinct ones).

The product of its (nonzero) digits is 3096576, while the sum is 53.

The spelling of 12449678084 in words is "twelve billion, four hundred forty-nine million, six hundred seventy-eight thousand, eighty-four".