212201211011112 has 48 divisors (see below), whose sum is σ = 574981304614080. Its totient is φ = 70700544208800.

The previous prime is 212201211011089. The next prime is 212201211011123. The reversal of 212201211011112 is 211110112102212.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

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 11 ways as a sum of consecutive naturals, for example, 691362064 + ... + 691668927.

It is an arithmetic number, because the mean of its divisors is an integer number (11978777179460).

Almost surely, 2^{212201211011112} is an apocalyptic number.

It is an amenable number.

212201211011112 is an abundant number, since it is smaller than the sum of its proper divisors (362780093602968).

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

212201211011112 is a wasteful number, since it uses less digits than its factorization.

212201211011112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1383033134 (or 1383033127 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 18.

Adding to 212201211011112 its reverse (211110112102212), we get a palindrome (423311323113324).

The spelling of 212201211011112 in words is "two hundred twelve trillion, two hundred one billion, two hundred eleven million, eleven thousand, one hundred twelve".