2012212120 has 32 divisors (see below), whose sum is σ = 4571442720. Its totient is φ = 797068800.

The previous prime is 2012212117. The next prime is 2012212177. The reversal of 2012212120 is 212122102.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 2012212120.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 240081 + ... + 248320.

It is an arithmetic number, because the mean of its divisors is an integer number (142857585).

Almost surely, 2^2012212120 is an apocalyptic number.

2012212120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2012212120 is an abundant number, since it is smaller than the sum of its proper divisors (2559230600).

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

2012212120 is a wasteful number, since it uses less digits than its factorization.

2012212120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 488515 (or 488511 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 2012212120 is about 44857.6874125272. The cubic root of 2012212120 is about 1262.4802326088.

Adding to 2012212120 its reverse (212122102), we get a palindrome (2224334222).

The spelling of 2012212120 in words is "two billion, twelve million, two hundred twelve thousand, one hundred twenty".