12087699144 has 32 divisors (see below), whose sum is σ = 30400211520. Its totient is φ = 4005104576.

The previous prime is 12087699137. The next prime is 12087699161. The reversal of 12087699144 is 44199678021.

12087699144 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×12087699144² (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, 1503939 + ... + 1511954.

It is an arithmetic number, because the mean of its divisors is an integer number (950006610).

Almost surely, 2^12087699144 is an apocalyptic number.

It is an amenable number.

12087699144 is an abundant number, since it is smaller than the sum of its proper divisors (18312512376).

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

12087699144 is a wasteful number, since it uses less digits than its factorization.

12087699144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3016069 (or 3016065 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 51.

The spelling of 12087699144 in words is "twelve billion, eighty-seven million, six hundred ninety-nine thousand, one hundred forty-four".