12144251436516 has 36 divisors (see below), whose sum is σ = 31411875166672. Its totient is φ = 3953942327664.

The previous prime is 12144251436511. The next prime is 12144251436517. The reversal of 12144251436516 is 61563415244121.

12144251436516 is a `hidden beast` number, since 1 + 2 + 1 + 4 + 42 + 51 + 43 + 6 + 516 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (12144251436511) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3922560286 + ... + 3922563381.

Almost surely, 2^{12144251436516} is an apocalyptic number.

It is an amenable number.

12144251436516 is an abundant number, since it is smaller than the sum of its proper divisors (19267623730156).

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

12144251436516 is a wasteful number, since it uses less digits than its factorization.

12144251436516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7845123720 (or 7845123715 counting only the distinct ones).

The product of its digits is 691200, while the sum is 45.

The spelling of 12144251436516 in words is "twelve trillion, one hundred forty-four billion, two hundred fifty-one million, four hundred thirty-six thousand, five hundred sixteen".