2012100212 has 12 divisors (see below), whose sum is σ = 3728303460. Its totient is φ = 946870656.

The previous prime is 2012100203. The next prime is 2012100227. The reversal of 2012100212 is 2120012102.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1515077776 + 497022436 = 38924^2 + 22294^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2012100193 and 2012100202.

It is a congruent number.

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, 14794787 + ... + 14794922.

It is an arithmetic number, because the mean of its divisors is an integer number (310691955).

Almost surely, 2^2012100212 is an apocalyptic number.

It is an amenable number.

2012100212 is a deficient number, since it is larger than the sum of its proper divisors (1716203248).

2012100212 is a wasteful number, since it uses less digits than its factorization.

2012100212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29589730 (or 29589728 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 2012100212 is about 44856.4400281610. The cubic root of 2012100212 is about 1262.4568281417.

Adding to 2012100212 its reverse (2120012102), we get a palindrome (4132112314).

The spelling of 2012100212 in words is "two billion, twelve million, one hundred thousand, two hundred twelve".