201212200021112 has 64 divisors (see below), whose sum is σ = 431909571038400. Its totient is φ = 86085701222400.

The previous prime is 201212200021093. The next prime is 201212200021121. The reversal of 201212200021112 is 211120002212102.

201212200021112 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 669233888 + ... + 669534480.

It is an arithmetic number, because the mean of its divisors is an integer number (6748587047475).

Almost surely, 2^{201212200021112} is an apocalyptic number.

It is an amenable number.

201212200021112 is an abundant number, since it is smaller than the sum of its proper divisors (230697371017288).

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

201212200021112 is a wasteful number, since it uses less digits than its factorization.

201212200021112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 321096 (or 321092 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 201212200021112 its reverse (211120002212102), we get a palindrome (412332202233214).

The spelling of 201212200021112 in words is "two hundred one trillion, two hundred twelve billion, two hundred million, twenty-one thousand, one hundred twelve".