12008646012 has 48 divisors (see below), whose sum is σ = 31896490752. Its totient is φ = 3480766080.

The previous prime is 12008645969. The next prime is 12008646061. The reversal of 12008646012 is 21064680021.

It is a super-3 number, since 3×12008646012³ (a number of 31 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

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, 1974673 + ... + 1980744.

It is an arithmetic number, because the mean of its divisors is an integer number (664510224).

Almost surely, 2^12008646012 is an apocalyptic number.

12008646012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12008646012 is an abundant number, since it is smaller than the sum of its proper divisors (19887844740).

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

12008646012 is a wasteful number, since it uses less digits than its factorization.

12008646012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3955458 (or 3955456 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 30.

The spelling of 12008646012 in words is "twelve billion, eight million, six hundred forty-six thousand, twelve".