2001212100212 has 96 divisors (see below), whose sum is σ = 4092489878400. Its totient is φ = 847789350912.

The previous prime is 2001212100191. The next prime is 2001212100281. The reversal of 2001212100212 is 2120012121002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 25009964 + ... + 25089852.

It is an arithmetic number, because the mean of its divisors is an integer number (42630102900).

Almost surely, 2^{2001212100212} is an apocalyptic number.

It is an amenable number.

2001212100212 is an abundant number, since it is smaller than the sum of its proper divisors (2091277778188).

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

2001212100212 is a wasteful number, since it uses less digits than its factorization.

2001212100212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80625 (or 80623 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 2001212100212 its reverse (2120012121002), we get a palindrome (4121224221214).

The spelling of 2001212100212 in words is "two trillion, one billion, two hundred twelve million, one hundred thousand, two hundred twelve".