12002111121986 has 32 divisors (see below), whose sum is σ = 18671406545088. Its totient is φ = 5782509230400.

The previous prime is 12002111121977. The next prime is 12002111122031. The reversal of 12002111121986 is 68912111120021.

12002111121986 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 88160 + ... + 4900203.

It is an arithmetic number, because the mean of its divisors is an integer number (583481454534).

Almost surely, 2^{12002111121986} is an apocalyptic number.

12002111121986 is a deficient number, since it is larger than the sum of its proper divisors (6669295423102).

12002111121986 is a wasteful number, since it uses less digits than its factorization.

12002111121986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4988786.

The product of its (nonzero) digits is 3456, while the sum is 35.

The spelling of 12002111121986 in words is "twelve trillion, two billion, one hundred eleven million, one hundred twenty-one thousand, nine hundred eighty-six".