12002257765516 has 12 divisors (see below), whose sum is σ = 21004007196088. Its totient is φ = 6001112852352.

The previous prime is 12002257765429. The next prime is 12002257765601. The reversal of 12002257765516 is 61556775220021.

It is a self number, because there is not a number n which added to its sum of digits gives 12002257765516.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2235966 + ... + 5385541.

Almost surely, 2^{12002257765516} is an apocalyptic number.

It is an amenable number.

12002257765516 is a deficient number, since it is larger than the sum of its proper divisors (9001749430572).

12002257765516 is a wasteful number, since it uses less digits than its factorization.

12002257765516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8015208 (or 8015206 counting only the distinct ones).

The product of its (nonzero) digits is 1764000, while the sum is 49.

The spelling of 12002257765516 in words is "twelve trillion, two billion, two hundred fifty-seven million, seven hundred sixty-five thousand, five hundred sixteen".