12210112111986 has 16 divisors (see below), whose sum is σ = 27133582471200. Its totient is φ = 4070037370644.

The previous prime is 12210112111949. The next prime is 12210112111987. The reversal of 12210112111986 is 68911121101221.

12210112111986 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 12210112111986.

It is not an unprimeable number, because it can be changed into a prime (12210112111987) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 113056593576 + ... + 113056593683.

It is an arithmetic number, because the mean of its divisors is an integer number (1695848904450).

Almost surely, 2^{12210112111986} is an apocalyptic number.

12210112111986 is an abundant number, since it is smaller than the sum of its proper divisors (14923470359214).

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

12210112111986 is a wasteful number, since it uses less digits than its factorization.

12210112111986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226113187270 (or 226113187264 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 36.

The spelling of 12210112111986 in words is "twelve trillion, two hundred ten billion, one hundred twelve million, one hundred eleven thousand, nine hundred eighty-six".