212011201986 has 32 divisors (see below), whose sum is σ = 433377762048. Its totient is φ = 69113491200.

The previous prime is 212011201937. The next prime is 212011202041. The reversal of 212011201986 is 689102110212.

212011201986 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 pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 77946 + ... + 655818.

It is an arithmetic number, because the mean of its divisors is an integer number (13543055064).

Almost surely, 2^212011201986 is an apocalyptic number.

212011201986 is an abundant number, since it is smaller than the sum of its proper divisors (221366560062).

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

212011201986 is a wasteful number, since it uses less digits than its factorization.

212011201986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 579226.

The product of its (nonzero) digits is 3456, while the sum is 33.

The spelling of 212011201986 in words is "two hundred twelve billion, eleven million, two hundred one thousand, nine hundred eighty-six".