12008145144 has 16 divisors (see below), whose sum is σ = 30020362920. Its totient is φ = 4002715040.

The previous prime is 12008145139. The next prime is 12008145173. The reversal of 12008145144 is 44154180021.

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 3 ways as a sum of consecutive naturals, for example, 250169667 + ... + 250169714.

Almost surely, 2^12008145144 is an apocalyptic number.

It is an amenable number.

12008145144 is an abundant number, since it is smaller than the sum of its proper divisors (18012217776).

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

12008145144 is a wasteful number, since it uses less digits than its factorization.

12008145144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 500339390 (or 500339386 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 30.

The spelling of 12008145144 in words is "twelve billion, eight million, one hundred forty-five thousand, one hundred forty-four".