201211100120012 has 12 divisors (see below), whose sum is σ = 359611327874400. Its totient is φ = 98465006441616.

The previous prime is 201211100119919. The next prime is 201211100120021. The reversal of 201211100120012 is 210021001112102.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 535135904387 + ... + 535135904762.

It is an arithmetic number, because the mean of its divisors is an integer number (29967610656200).

Almost surely, 2^{201211100120012} is an apocalyptic number.

It is an amenable number.

201211100120012 is a deficient number, since it is larger than the sum of its proper divisors (158400227754388).

201211100120012 is a wasteful number, since it uses less digits than its factorization.

201211100120012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1070271809200 (or 1070271809198 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 201211100120012 its reverse (210021001112102), we get a palindrome (411232101232114).

The spelling of 201211100120012 in words is "two hundred one trillion, two hundred eleven billion, one hundred million, one hundred twenty thousand, twelve".