201211001201012 has 72 divisors (see below), whose sum is σ = 404906232931200. Its totient is φ = 87258149978560.

The previous prime is 201211001201009. The next prime is 201211001201033. The reversal of 201211001201012 is 210102100112102.

It is a congruent number.

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 23 ways as a sum of consecutive naturals, for example, 18902312 + ... + 27563007.

It is an arithmetic number, because the mean of its divisors is an integer number (5623697679600).

Almost surely, 2^{201211001201012} is an apocalyptic number.

201211001201012 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

201211001201012 is an abundant number, since it is smaller than the sum of its proper divisors (203695231730188).

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

201211001201012 is a wasteful number, since it uses less digits than its factorization.

201211001201012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46465757 (or 46465744 counting only the distinct ones).

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

Adding to 201211001201012 its reverse (210102100112102), we get a palindrome (411313101313114).

The spelling of 201211001201012 in words is "two hundred one trillion, two hundred eleven billion, one million, two hundred one thousand, twelve".