212011120199968 has 96 divisors (see below), whose sum is σ = 442437159757824. Its totient is φ = 99659910684672.

The previous prime is 212011120199927. The next prime is 212011120199999. The reversal of 212011120199968 is 869991021110212.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5061480721 + ... + 5061522607.

It is an arithmetic number, because the mean of its divisors is an integer number (4608720414144).

Almost surely, 2^{212011120199968} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 212011120199968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (221218579878912).

212011120199968 is an abundant number, since it is smaller than the sum of its proper divisors (230426039557856).

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

212011120199968 is a wasteful number, since it uses less digits than its factorization.

212011120199968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51954 (or 51946 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 52.

The spelling of 212011120199968 in words is "two hundred twelve trillion, eleven billion, one hundred twenty million, one hundred ninety-nine thousand, nine hundred sixty-eight".