2012210120 has 16 divisors (see below), whose sum is σ = 4527472860. Its totient is φ = 804884032.

The previous prime is 2012210041. The next prime is 2012210171. The reversal of 2012210120 is 210122102.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2008653124 + 3556996 = 44818^2 + 1886^2 .

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, 25152587 + ... + 25152666.

Almost surely, 2^2012210120 is an apocalyptic number.

2012210120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2012210120 is an abundant number, since it is smaller than the sum of its proper divisors (2515262740).

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

2012210120 is a wasteful number, since it uses less digits than its factorization.

2012210120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50305264 (or 50305260 counting only the distinct ones).

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

The square root of 2012210120 is about 44857.6651197986. The cubic root of 2012210120 is about 1262.4798143360.

Adding to 2012210120 its reverse (210122102), we get a palindrome (2222332222).

The spelling of 2012210120 in words is "two billion, twelve million, two hundred ten thousand, one hundred twenty".